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net/netfilter/Kconfig
51 KB
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menu "Core Netfilter Configuration" |
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depends on NET && INET && NETFILTER |
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config NETFILTER_INGRESS bool "Netfilter ingress support" |
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default y |
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select NET_INGRESS help This allows you to classify packets from ingress using the Netfilter infrastructure. |
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config NETFILTER_NETLINK |
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tristate |
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config NETFILTER_FAMILY_BRIDGE bool config NETFILTER_FAMILY_ARP bool |
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config NETFILTER_NETLINK_ACCT tristate "Netfilter NFACCT over NFNETLINK interface" depends on NETFILTER_ADVANCED select NETFILTER_NETLINK help If this option is enabled, the kernel will include support for extended accounting via NFNETLINK. |
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config NETFILTER_NETLINK_QUEUE tristate "Netfilter NFQUEUE over NFNETLINK interface" |
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depends on NETFILTER_ADVANCED |
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select NETFILTER_NETLINK |
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help |
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If this option is enabled, the kernel will include support |
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for queueing packets via NFNETLINK. |
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config NETFILTER_NETLINK_LOG tristate "Netfilter LOG over NFNETLINK interface" |
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default m if NETFILTER_ADVANCED=n |
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select NETFILTER_NETLINK |
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help If this option is enabled, the kernel will include support for logging packets via NFNETLINK. This obsoletes the existing ipt_ULOG and ebg_ulog mechanisms, and is also scheduled to replace the old syslog-based ipt_LOG and ip6t_LOG modules. |
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config NETFILTER_NETLINK_OSF tristate "Netfilter OSF over NFNETLINK interface" depends on NETFILTER_ADVANCED select NETFILTER_NETLINK help If this option is enabled, the kernel will include support for passive OS fingerprint via NFNETLINK. |
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config NF_CONNTRACK |
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tristate "Netfilter connection tracking support" |
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default m if NETFILTER_ADVANCED=n |
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select NF_DEFRAG_IPV4 select NF_DEFRAG_IPV6 if IPV6 != n |
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help |
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Connection tracking keeps a record of what packets have passed through your machine, in order to figure out how they are related into connections. |
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This is required to do Masquerading or other kinds of Network |
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Address Translation. It can also be used to enhance packet filtering (see `Connection state match support' below). |
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To compile it as a module, choose M here. If unsure, say N. |
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config NF_LOG_COMMON tristate |
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config NF_LOG_NETDEV tristate "Netdev packet logging" select NF_LOG_COMMON |
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if NF_CONNTRACK |
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config NETFILTER_CONNCOUNT tristate |
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config NF_CONNTRACK_MARK bool 'Connection mark tracking support' |
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depends on NETFILTER_ADVANCED |
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help This option enables support for connection marks, used by the `CONNMARK' target and `connmark' match. Similar to the mark value of packets, but this mark value is kept in the conntrack session instead of the individual packets. |
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config NF_CONNTRACK_SECMARK bool 'Connection tracking security mark support' |
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depends on NETWORK_SECMARK |
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default m if NETFILTER_ADVANCED=n |
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help This option enables security markings to be applied to connections. Typically they are copied to connections from packets using the CONNSECMARK target and copied back from connections to packets with the same target, with the packets being originally labeled via SECMARK. If unsure, say 'N'. |
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config NF_CONNTRACK_ZONES bool 'Connection tracking zones' depends on NETFILTER_ADVANCED depends on NETFILTER_XT_TARGET_CT help This option enables support for connection tracking zones. Normally, each connection needs to have a unique system wide identity. Connection tracking zones allow to have multiple connections using the same identity, as long as they are contained in different zones. If unsure, say `N'. |
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config NF_CONNTRACK_PROCFS bool "Supply CT list in procfs (OBSOLETE)" default y depends on PROC_FS ---help--- This option enables for the list of known conntrack entries to be shown in procfs under net/netfilter/nf_conntrack. This is considered obsolete in favor of using the conntrack(8) tool which uses Netlink. |
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config NF_CONNTRACK_EVENTS |
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bool "Connection tracking events" |
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depends on NETFILTER_ADVANCED |
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help If this option is enabled, the connection tracking code will provide a notifier chain that can be used by other kernel code |
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to get notified about changes in the connection tracking state. |
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If unsure, say `N'. |
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config NF_CONNTRACK_TIMEOUT bool 'Connection tracking timeout' depends on NETFILTER_ADVANCED help This option enables support for connection tracking timeout extension. This allows you to attach timeout policies to flow via the CT target. If unsure, say `N'. |
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config NF_CONNTRACK_TIMESTAMP bool 'Connection tracking timestamping' depends on NETFILTER_ADVANCED help This option enables support for connection tracking timestamping. This allows you to store the flow start-time and to obtain the flow-stop time (once it has been destroyed) via Connection tracking events. If unsure, say `N'. |
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config NF_CONNTRACK_LABELS bool help This option enables support for assigning user-defined flag bits to connection tracking entries. It selected by the connlabel match. |
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config NF_CT_PROTO_DCCP |
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bool 'DCCP protocol connection tracking support' |
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depends on NETFILTER_ADVANCED |
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default y |
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help With this option enabled, the layer 3 independent connection tracking code will be able to do state tracking on DCCP connections. |
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If unsure, say Y. |
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config NF_CT_PROTO_GRE tristate |
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config NF_CT_PROTO_SCTP |
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bool 'SCTP protocol connection tracking support' |
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depends on NETFILTER_ADVANCED |
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default y |
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select LIBCRC32C |
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help With this option enabled, the layer 3 independent connection tracking code will be able to do state tracking on SCTP connections. |
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If unsure, say Y. |
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config NF_CT_PROTO_UDPLITE |
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bool 'UDP-Lite protocol connection tracking support' |
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depends on NETFILTER_ADVANCED |
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default y |
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help With this option enabled, the layer 3 independent connection tracking code will be able to do state tracking on UDP-Lite connections. |
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If unsure, say Y. |
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config NF_CONNTRACK_AMANDA |
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tristate "Amanda backup protocol support" |
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depends on NETFILTER_ADVANCED |
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select TEXTSEARCH select TEXTSEARCH_KMP help If you are running the Amanda backup package <http://www.amanda.org/> on this machine or machines that will be MASQUERADED through this machine, then you may want to enable this feature. This allows the connection tracking and natting code to allow the sub-channels that Amanda requires for communication of the backup data, messages and index. To compile it as a module, choose M here. If unsure, say N. |
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config NF_CONNTRACK_FTP |
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tristate "FTP protocol support" |
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default m if NETFILTER_ADVANCED=n |
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help Tracking FTP connections is problematic: special helpers are required for tracking them, and doing masquerading and other forms of Network Address Translation on them. This is FTP support on Layer 3 independent connection tracking. Layer 3 independent connection tracking is experimental scheme which generalize ip_conntrack to support other layer 3 protocols. To compile it as a module, choose M here. If unsure, say N. |
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config NF_CONNTRACK_H323 |
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tristate "H.323 protocol support" |
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depends on IPV6 || IPV6=n |
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depends on NETFILTER_ADVANCED |
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help H.323 is a VoIP signalling protocol from ITU-T. As one of the most important VoIP protocols, it is widely used by voice hardware and software including voice gateways, IP phones, Netmeeting, OpenPhone, Gnomemeeting, etc. With this module you can support H.323 on a connection tracking/NAT firewall. This module supports RAS, Fast Start, H.245 Tunnelling, Call Forwarding, RTP/RTCP and T.120 based audio, video, fax, chat, whiteboard, file transfer, etc. For more information, please visit http://nath323.sourceforge.net/. To compile it as a module, choose M here. If unsure, say N. |
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config NF_CONNTRACK_IRC |
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tristate "IRC protocol support" |
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default m if NETFILTER_ADVANCED=n |
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help There is a commonly-used extension to IRC called Direct Client-to-Client Protocol (DCC). This enables users to send files to each other, and also chat to each other without the need of a server. DCC Sending is used anywhere you send files over IRC, and DCC Chat is most commonly used by Eggdrop bots. If you are using NAT, this extension will enable you to send files and initiate chats. Note that you do NOT need this extension to get files or have others initiate chats, or everything else in IRC. To compile it as a module, choose M here. If unsure, say N. |
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config NF_CONNTRACK_BROADCAST tristate |
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config NF_CONNTRACK_NETBIOS_NS |
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tristate "NetBIOS name service protocol support" |
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select NF_CONNTRACK_BROADCAST |
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help NetBIOS name service requests are sent as broadcast messages from an unprivileged port and responded to with unicast messages to the same port. This make them hard to firewall properly because connection tracking doesn't deal with broadcasts. This helper tracks locally originating NetBIOS name service requests and the corresponding responses. It relies on correct IP address configuration, specifically netmask and broadcast address. When properly configured, the output of "ip address show" should look similar to this: $ ip -4 address show eth0 4: eth0: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast qlen 1000 inet 172.16.2.252/24 brd 172.16.2.255 scope global eth0 To compile it as a module, choose M here. If unsure, say N. |
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config NF_CONNTRACK_SNMP tristate "SNMP service protocol support" depends on NETFILTER_ADVANCED select NF_CONNTRACK_BROADCAST help SNMP service requests are sent as broadcast messages from an unprivileged port and responded to with unicast messages to the same port. This make them hard to firewall properly because connection tracking doesn't deal with broadcasts. This helper tracks locally originating SNMP service requests and the corresponding responses. It relies on correct IP address configuration, specifically netmask and broadcast address. To compile it as a module, choose M here. If unsure, say N. |
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config NF_CONNTRACK_PPTP |
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tristate "PPtP protocol support" |
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depends on NETFILTER_ADVANCED |
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select NF_CT_PROTO_GRE help This module adds support for PPTP (Point to Point Tunnelling Protocol, RFC2637) connection tracking and NAT. If you are running PPTP sessions over a stateful firewall or NAT box, you may want to enable this feature. Please note that not all PPTP modes of operation are supported yet. Specifically these limitations exist: |
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- Blindly assumes that control connections are always established |
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in PNS->PAC direction. This is a violation of RFC2637. - Only supports a single call within each session To compile it as a module, choose M here. If unsure, say N. |
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config NF_CONNTRACK_SANE |
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tristate "SANE protocol support" |
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depends on NETFILTER_ADVANCED |
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help SANE is a protocol for remote access to scanners as implemented by the 'saned' daemon. Like FTP, it uses separate control and data connections. With this module you can support SANE on a connection tracking firewall. To compile it as a module, choose M here. If unsure, say N. |
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config NF_CONNTRACK_SIP |
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tristate "SIP protocol support" |
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default m if NETFILTER_ADVANCED=n |
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help SIP is an application-layer control protocol that can establish, modify, and terminate multimedia sessions (conferences) such as Internet telephony calls. With the ip_conntrack_sip and the nf_nat_sip modules you can support the protocol on a connection tracking/NATing firewall. To compile it as a module, choose M here. If unsure, say N. |
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config NF_CONNTRACK_TFTP |
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tristate "TFTP protocol support" |
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depends on NETFILTER_ADVANCED |
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help TFTP connection tracking helper, this is required depending on how restrictive your ruleset is. If you are using a tftp client behind -j SNAT or -j MASQUERADING you will need this. To compile it as a module, choose M here. If unsure, say N. |
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config NF_CT_NETLINK |
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tristate 'Connection tracking netlink interface' |
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select NETFILTER_NETLINK |
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default m if NETFILTER_ADVANCED=n |
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help This option enables support for a netlink-based userspace interface |
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config NF_CT_NETLINK_TIMEOUT tristate 'Connection tracking timeout tuning via Netlink' select NETFILTER_NETLINK depends on NETFILTER_ADVANCED |
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depends on NF_CONNTRACK_TIMEOUT |
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help This option enables support for connection tracking timeout fine-grain tuning. This allows you to attach specific timeout policies to flows, instead of using the global timeout policy. If unsure, say `N'. |
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config NF_CT_NETLINK_HELPER tristate 'Connection tracking helpers in user-space via Netlink' select NETFILTER_NETLINK depends on NF_CT_NETLINK depends on NETFILTER_NETLINK_QUEUE |
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depends on NETFILTER_NETLINK_GLUE_CT |
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depends on NETFILTER_ADVANCED help This option enables the user-space connection tracking helpers infrastructure. If unsure, say `N'. |
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config NETFILTER_NETLINK_GLUE_CT |
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bool "NFQUEUE and NFLOG integration with Connection Tracking" |
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default n |
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depends on (NETFILTER_NETLINK_QUEUE || NETFILTER_NETLINK_LOG) && NF_CT_NETLINK |
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help |
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If this option is enabled, NFQUEUE and NFLOG can include Connection Tracking information together with the packet is the enqueued via NFNETLINK. |
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config NF_NAT tristate config NF_NAT_NEEDED bool depends on NF_NAT default y config NF_NAT_PROTO_DCCP |
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bool |
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depends on NF_NAT && NF_CT_PROTO_DCCP default NF_NAT && NF_CT_PROTO_DCCP config NF_NAT_PROTO_UDPLITE |
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bool |
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depends on NF_NAT && NF_CT_PROTO_UDPLITE default NF_NAT && NF_CT_PROTO_UDPLITE config NF_NAT_PROTO_SCTP |
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bool |
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default NF_NAT && NF_CT_PROTO_SCTP depends on NF_NAT && NF_CT_PROTO_SCTP |
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config NF_NAT_AMANDA tristate depends on NF_CONNTRACK && NF_NAT default NF_NAT && NF_CONNTRACK_AMANDA |
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config NF_NAT_FTP tristate depends on NF_CONNTRACK && NF_NAT default NF_NAT && NF_CONNTRACK_FTP |
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config NF_NAT_IRC tristate depends on NF_CONNTRACK && NF_NAT default NF_NAT && NF_CONNTRACK_IRC |
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config NF_NAT_SIP tristate depends on NF_CONNTRACK && NF_NAT default NF_NAT && NF_CONNTRACK_SIP |
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config NF_NAT_TFTP tristate depends on NF_CONNTRACK && NF_NAT default NF_NAT && NF_CONNTRACK_TFTP |
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config NF_NAT_REDIRECT |
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bool |
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config NETFILTER_SYNPROXY tristate |
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endif # NF_CONNTRACK |
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config NF_TABLES |
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select NETFILTER_NETLINK |
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tristate "Netfilter nf_tables support" |
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help nftables is the new packet classification framework that intends to replace the existing {ip,ip6,arp,eb}_tables infrastructure. It provides a pseudo-state machine with an extensible instruction-set (also known as expressions) that the userspace 'nft' utility (http://www.netfilter.org/projects/nftables) uses to build the rule-set. It also comes with the generic set infrastructure that allows you to construct mappings between matchings and actions for performance lookups. To compile it as a module, choose M here. |
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if NF_TABLES |
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config NF_TABLES_SET tristate "Netfilter nf_tables set infrastructure" help This option enables the nf_tables set infrastructure that allows to look up for elements in a set and to build one-way mappings between matchings and actions. |
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config NF_TABLES_INET |
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depends on IPV6 |
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select NF_TABLES_IPV4 select NF_TABLES_IPV6 |
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bool "Netfilter nf_tables mixed IPv4/IPv6 tables support" |
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help This option enables support for a mixed IPv4/IPv6 "inet" table. |
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config NF_TABLES_NETDEV |
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bool "Netfilter nf_tables netdev tables support" |
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help This option enables support for the "netdev" table. |
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config NFT_NUMGEN tristate "Netfilter nf_tables number generator module" help This option adds the number generator expression used to perform incremental counting and random numbers bound to a upper limit. |
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config NFT_CT |
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depends on NF_CONNTRACK tristate "Netfilter nf_tables conntrack module" |
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help |
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This option adds the "ct" expression that you can use to match |
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connection tracking information such as the flow state. |
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config NFT_FLOW_OFFLOAD |
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depends on NF_CONNTRACK && NF_FLOW_TABLE |
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tristate "Netfilter nf_tables hardware flow offload module" help This option adds the "flow_offload" expression that you can use to choose what flows are placed into the hardware. |
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config NFT_COUNTER |
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tristate "Netfilter nf_tables counter module" |
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help This option adds the "counter" expression that you can use to include packet and byte counters in a rule. |
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config NFT_CONNLIMIT tristate "Netfilter nf_tables connlimit module" depends on NF_CONNTRACK depends on NETFILTER_ADVANCED select NETFILTER_CONNCOUNT help This option adds the "connlimit" expression that you can use to ratelimit rule matchings per connections. |
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config NFT_LOG |
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tristate "Netfilter nf_tables log module" |
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help This option adds the "log" expression that you can use to log packets matching some criteria. |
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config NFT_LIMIT |
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tristate "Netfilter nf_tables limit module" |
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help This option adds the "limit" expression that you can use to ratelimit rule matchings. |
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config NFT_MASQ |
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depends on NF_CONNTRACK depends on NF_NAT tristate "Netfilter nf_tables masquerade support" help This option adds the "masquerade" expression that you can use to perform NAT in the masquerade flavour. |
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config NFT_REDIR |
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depends on NF_CONNTRACK depends on NF_NAT tristate "Netfilter nf_tables redirect support" help This options adds the "redirect" expression that you can use to perform NAT in the redirect flavour. |
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config NFT_NAT |
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depends on NF_CONNTRACK |
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select NF_NAT |
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tristate "Netfilter nf_tables nat module" |
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help This option adds the "nat" expression that you can use to perform typical Network Address Translation (NAT) packet transformations. |
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|
512 513 514 515 516 |
config NFT_OBJREF tristate "Netfilter nf_tables stateful object reference module" help This option adds the "objref" expression that allows you to refer to stateful objects, such as counters and quotas. |
0aff078d5
|
517 |
config NFT_QUEUE |
0aff078d5
|
518 519 520 521 522 |
depends on NETFILTER_NETLINK_QUEUE tristate "Netfilter nf_tables queue module" help This is required if you intend to use the userspace queueing infrastructure (also known as NFQUEUE) from nftables. |
3d2f30a1d
|
523 524 525 526 527 |
config NFT_QUOTA tristate "Netfilter nf_tables quota module" help This option adds the "quota" expression that you can use to match enforce bytes quotas. |
bee11dc78
|
528 |
config NFT_REJECT |
bee11dc78
|
529 530 |
default m if NETFILTER_ADVANCED=n tristate "Netfilter nf_tables reject support" |
a66157437
|
531 |
depends on !NF_TABLES_INET || (IPV6!=m || m) |
d497c6352
|
532 533 534 535 |
help This option adds the "reject" expression that you can use to explicitly deny and notify via TCP reset/ICMP informational errors unallowed traffic. |
eb31628e3
|
536 |
|
05513e9e3
|
537 538 539 540 |
config NFT_REJECT_INET depends on NF_TABLES_INET default NFT_REJECT tristate |
0ca743a55
|
541 |
config NFT_COMPAT |
0ca743a55
|
542 543 544 545 546 547 |
depends on NETFILTER_XTABLES tristate "Netfilter x_tables over nf_tables module" help This is required if you intend to use any of existing x_tables match/target extensions over the nf_tables framework. |
cb1b69b0b
|
548 549 550 551 552 |
config NFT_HASH tristate "Netfilter nf_tables hash module" help This option adds the "hash" expression that you can use to perform a hash operation on registers. |
f6d0cbcf0
|
553 554 555 556 557 558 559 560 561 562 563 564 |
config NFT_FIB tristate config NFT_FIB_INET depends on NF_TABLES_INET depends on NFT_FIB_IPV4 depends on NFT_FIB_IPV6 tristate "Netfilter nf_tables fib inet support" help This option allows using the FIB expression from the inet table. The lookup will be delegated to the IPv4 or IPv6 FIB depending on the protocol of the packet. |
554ced0a6
|
565 566 567 568 |
config NFT_SOCKET tristate "Netfilter nf_tables socket match support" depends on IPV6 || IPV6=n select NF_SOCKET_IPV4 |
5d400a493
|
569 |
select NF_SOCKET_IPV6 if NF_TABLES_IPV6 |
554ced0a6
|
570 571 572 |
help This option allows matching for the presence or absence of a corresponding socket and its attributes. |
b96af92d6
|
573 574 575 576 577 578 |
config NFT_OSF tristate "Netfilter nf_tables passive OS fingerprint support" depends on NETFILTER_ADVANCED select NETFILTER_NETLINK_OSF help This option allows matching packets from an specific OS. |
4ed8eb657
|
579 580 581 582 583 584 585 586 587 |
config NFT_TPROXY tristate "Netfilter nf_tables tproxy support" depends on IPV6 || IPV6=n select NF_DEFRAG_IPV4 select NF_DEFRAG_IPV6 if NF_TABLES_IPV6 select NF_TPROXY_IPV4 select NF_TPROXY_IPV6 if NF_TABLES_IPV6 help This makes transparent proxy support available in nftables. |
502061f81
|
588 589 590 591 592 593 594 595 596 597 598 599 600 |
if NF_TABLES_NETDEV config NF_DUP_NETDEV tristate "Netfilter packet duplication support" help This option enables the generic packet duplication infrastructure for Netfilter. config NFT_DUP_NETDEV tristate "Netfilter nf_tables netdev packet duplication support" select NF_DUP_NETDEV help This option enables packet duplication for the "netdev" family. |
39e6dea28
|
601 602 603 604 605 |
config NFT_FWD_NETDEV tristate "Netfilter nf_tables netdev packet forwarding support" select NF_DUP_NETDEV help This option enables packet forwarding for the "netdev" family. |
6392c2260
|
606 607 608 609 610 611 612 613 |
config NFT_FIB_NETDEV depends on NFT_FIB_IPV4 depends on NFT_FIB_IPV6 tristate "Netfilter nf_tables netdev fib lookups support" help This option allows using the FIB expression from the netdev table. The lookup will be delegated to the IPv4 or IPv6 FIB depending on the protocol of the packet. |
502061f81
|
614 |
endif # NF_TABLES_NETDEV |
f04e599e2
|
615 |
endif # NF_TABLES |
7c23b629a
|
616 |
config NF_FLOW_TABLE_INET |
7c23b629a
|
617 |
tristate "Netfilter flow table mixed IPv4/IPv6 module" |
1e80380b1
|
618 |
depends on NF_FLOW_TABLE |
7c23b629a
|
619 620 621 622 |
help This option adds the flow table mixed IPv4/IPv6 support. To compile it as a module, choose M here. |
ac2a66665
|
623 624 |
config NF_FLOW_TABLE tristate "Netfilter flow table module" |
6be3bcd75
|
625 626 627 |
depends on NETFILTER_INGRESS depends on NF_CONNTRACK depends on NF_TABLES |
ac2a66665
|
628 629 630 631 |
help This option adds the flow table core infrastructure. To compile it as a module, choose M here. |
2e4e6a17a
|
632 633 |
config NETFILTER_XTABLES tristate "Netfilter Xtables support (required for ip_tables)" |
33b8e7760
|
634 |
default m if NETFILTER_ADVANCED=n |
2e4e6a17a
|
635 636 637 |
help This is required if you intend to use any of ip_tables, ip6_tables or arp_tables. |
c2df73de2
|
638 |
if NETFILTER_XTABLES |
28b949885
|
639 640 641 642 643 644 645 646 647 648 649 650 |
comment "Xtables combined modules" config NETFILTER_XT_MARK tristate 'nfmark target and match support' default m if NETFILTER_ADVANCED=n ---help--- This option adds the "MARK" target and "mark" match. Netfilter mark matching allows you to match packets based on the "nfmark" value in the packet. The target allows you to create rules in the "mangle" table which alter the netfilter mark (nfmark) field associated with the packet. |
f1504307b
|
651 652 |
Prior to routing, the nfmark can influence the routing method and can also be used by other subsystems to change their behavior. |
28b949885
|
653 |
|
b8f00ba27
|
654 655 656 657 658 659 660 661 662 663 664 |
config NETFILTER_XT_CONNMARK tristate 'ctmark target and match support' depends on NF_CONNTRACK depends on NETFILTER_ADVANCED select NF_CONNTRACK_MARK ---help--- This option adds the "CONNMARK" target and "connmark" match. Netfilter allows you to store a mark value per connection (a.k.a. ctmark), similarly to the packet mark (nfmark). Using this target and match, you can set and match on this mark. |
d956798d8
|
665 666 667 668 669 670 671 672 673 674 675 |
config NETFILTER_XT_SET tristate 'set target and match support' depends on IP_SET depends on NETFILTER_ADVANCED help This option adds the "SET" target and "set" match. Using this target and match, you can add/delete and match elements in the sets created by ipset(8). To compile it as a module, choose M here. If unsure, say N. |
2e4e6a17a
|
676 |
# alphabetically ordered list of targets |
44c587319
|
677 |
comment "Xtables targets" |
43f393cae
|
678 679 680 681 682 683 684 685 686 |
config NETFILTER_XT_TARGET_AUDIT tristate "AUDIT target support" depends on AUDIT depends on NETFILTER_ADVANCED ---help--- This option adds a 'AUDIT' target, which can be used to create audit records for packets dropped/accepted. To compileit as a module, choose M here. If unsure, say N. |
edf0e1fb0
|
687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 |
config NETFILTER_XT_TARGET_CHECKSUM tristate "CHECKSUM target support" depends on IP_NF_MANGLE || IP6_NF_MANGLE depends on NETFILTER_ADVANCED ---help--- This option adds a `CHECKSUM' target, which can be used in the iptables mangle table. You can use this target to compute and fill in the checksum in a packet that lacks a checksum. This is particularly useful, if you need to work around old applications such as dhcp clients, that do not work well with checksum offloads, but don't want to disable checksum offload in your device. To compile it as a module, choose M here. If unsure, say N. |
2e4e6a17a
|
702 703 |
config NETFILTER_XT_TARGET_CLASSIFY tristate '"CLASSIFY" target support' |
33b8e7760
|
704 |
depends on NETFILTER_ADVANCED |
2e4e6a17a
|
705 706 707 708 709 710 711 712 713 714 715 |
help This option adds a `CLASSIFY' target, which enables the user to set the priority of a packet. Some qdiscs can use this value for classification, among these are: atm, cbq, dsmark, pfifo_fast, htb, prio To compile it as a module, choose M here. If unsure, say N. config NETFILTER_XT_TARGET_CONNMARK tristate '"CONNMARK" target support' |
587aa6416
|
716 |
depends on NF_CONNTRACK |
33b8e7760
|
717 |
depends on NETFILTER_ADVANCED |
b8f00ba27
|
718 719 720 721 722 |
select NETFILTER_XT_CONNMARK ---help--- This is a backwards-compat option for the user's convenience (e.g. when running oldconfig). It selects CONFIG_NETFILTER_XT_CONNMARK (combined connmark/CONNMARK module). |
2e4e6a17a
|
723 |
|
aba0d3480
|
724 725 |
config NETFILTER_XT_TARGET_CONNSECMARK tristate '"CONNSECMARK" target support' |
c2df73de2
|
726 |
depends on NF_CONNTRACK && NF_CONNTRACK_SECMARK |
aba0d3480
|
727 728 729 730 731 732 733 734 |
default m if NETFILTER_ADVANCED=n help The CONNSECMARK target copies security markings from packets to connections, and restores security markings from connections to packets (if the packets are not already marked). This would normally be used in conjunction with the SECMARK target. To compile it as a module, choose M here. If unsure, say N. |
84f3bb9ae
|
735 736 737 738 739 740 741 742 743 744 745 |
config NETFILTER_XT_TARGET_CT tristate '"CT" target support' depends on NF_CONNTRACK depends on IP_NF_RAW || IP6_NF_RAW depends on NETFILTER_ADVANCED help This options adds a `CT' target, which allows to specify initial connection tracking parameters like events to be delivered and the helper to be used. To compile it as a module, choose M here. If unsure, say N. |
a468701db
|
746 |
config NETFILTER_XT_TARGET_DSCP |
c9fd49680
|
747 |
tristate '"DSCP" and "TOS" target support' |
a468701db
|
748 |
depends on IP_NF_MANGLE || IP6_NF_MANGLE |
33b8e7760
|
749 |
depends on NETFILTER_ADVANCED |
a468701db
|
750 751 752 753 754 |
help This option adds a `DSCP' target, which allows you to manipulate the IPv4/IPv6 header DSCP field (differentiated services codepoint). The DSCP field can have any value between 0x0 and 0x3f inclusive. |
c9fd49680
|
755 756 |
It also adds the "TOS" target, which allows you to create rules in the "mangle" table which alter the Type Of Service field of an IPv4 |
5c350e5a3
|
757 |
or the Priority field of an IPv6 packet, prior to routing. |
c9fd49680
|
758 |
|
a468701db
|
759 |
To compile it as a module, choose M here. If unsure, say N. |
563d36eb3
|
760 761 762 763 764 765 766 767 768 769 770 771 772 773 |
config NETFILTER_XT_TARGET_HL tristate '"HL" hoplimit target support' depends on IP_NF_MANGLE || IP6_NF_MANGLE depends on NETFILTER_ADVANCED ---help--- This option adds the "HL" (for IPv6) and "TTL" (for IPv4) targets, which enable the user to change the hoplimit/time-to-live value of the IP header. While it is safe to decrement the hoplimit/TTL value, the modules also allow to increment and set the hoplimit value of the header to arbitrary values. This is EXTREMELY DANGEROUS since you can easily create immortal packets that loop forever on the network. |
cf308a1fa
|
774 775 |
config NETFILTER_XT_TARGET_HMARK tristate '"HMARK" target support' |
f09becc79
|
776 |
depends on IP6_NF_IPTABLES || IP6_NF_IPTABLES=n |
cf308a1fa
|
777 778 779 780 781 782 |
depends on NETFILTER_ADVANCED ---help--- This option adds the "HMARK" target. The target allows you to create rules in the "raw" and "mangle" tables which set the skbuff mark by means of hash calculation within a given |
f1504307b
|
783 784 |
range. The nfmark can influence the routing method and can also be used by other subsystems to change their behaviour. |
cf308a1fa
|
785 786 |
To compile it as a module, choose M here. If unsure, say N. |
0902b469b
|
787 788 789 790 791 792 793 794 795 796 797 |
config NETFILTER_XT_TARGET_IDLETIMER tristate "IDLETIMER target support" depends on NETFILTER_ADVANCED help This option adds the `IDLETIMER' target. Each matching packet resets the timer associated with label specified when the rule is added. When the timer expires, it triggers a sysfs notification. The remaining time for expiration can be read via sysfs. To compile it as a module, choose M here. If unsure, say N. |
268cb38e1
|
798 799 |
config NETFILTER_XT_TARGET_LED tristate '"LED" target support' |
3ae16f130
|
800 |
depends on LEDS_CLASS && LEDS_TRIGGERS |
268cb38e1
|
801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 |
depends on NETFILTER_ADVANCED help This option adds a `LED' target, which allows you to blink LEDs in response to particular packets passing through your machine. This can be used to turn a spare LED into a network activity LED, which only flashes in response to FTP transfers, for example. Or you could have an LED which lights up for a minute or two every time somebody connects to your machine via SSH. You will need support for the "led" class to make this work. To create an LED trigger for incoming SSH traffic: iptables -A INPUT -p tcp --dport 22 -j LED --led-trigger-id ssh --led-delay 1000 Then attach the new trigger to an LED on your system: echo netfilter-ssh > /sys/class/leds/<ledname>/trigger For more information on the LEDs available on your system, see |
395cf9691
|
820 |
Documentation/leds/leds-class.txt |
268cb38e1
|
821 |
|
6939c33a7
|
822 823 |
config NETFILTER_XT_TARGET_LOG tristate "LOG target support" |
d79a61d64
|
824 825 |
select NF_LOG_COMMON select NF_LOG_IPV4 |
5d400a493
|
826 |
select NF_LOG_IPV6 if IP6_NF_IPTABLES |
6939c33a7
|
827 828 829 830 831 832 |
default m if NETFILTER_ADVANCED=n help This option adds a `LOG' target, which allows you to create rules in any iptables table which records the packet header to the syslog. To compile it as a module, choose M here. If unsure, say N. |
2e4e6a17a
|
833 834 |
config NETFILTER_XT_TARGET_MARK tristate '"MARK" target support' |
28b949885
|
835 836 837 838 839 840 |
depends on NETFILTER_ADVANCED select NETFILTER_XT_MARK ---help--- This is a backwards-compat option for the user's convenience (e.g. when running oldconfig). It selects CONFIG_NETFILTER_XT_MARK (combined mark/MARK module). |
2e4e6a17a
|
841 |
|
84a59ca55
|
842 843 844 845 846 847 848 |
config NETFILTER_XT_NAT tristate '"SNAT and DNAT" targets support' depends on NF_NAT ---help--- This option enables the SNAT and DNAT targets. To compile it as a module, choose M here. If unsure, say N. |
b3d54b3e4
|
849 850 851 852 853 854 855 856 857 |
config NETFILTER_XT_TARGET_NETMAP tristate '"NETMAP" target support' depends on NF_NAT ---help--- NETMAP is an implementation of static 1:1 NAT mapping of network addresses. It maps the network address part, while keeping the host address part intact. To compile it as a module, choose M here. If unsure, say N. |
baf7b1e11
|
858 859 |
config NETFILTER_XT_TARGET_NFLOG tristate '"NFLOG" target support' |
33b8e7760
|
860 |
default m if NETFILTER_ADVANCED=n |
293a4f283
|
861 |
select NETFILTER_NETLINK_LOG |
baf7b1e11
|
862 863 |
help This option enables the NFLOG target, which allows to LOG |
293a4f283
|
864 |
messages through nfnetlink_log. |
baf7b1e11
|
865 866 |
To compile it as a module, choose M here. If unsure, say N. |
aba0d3480
|
867 868 |
config NETFILTER_XT_TARGET_NFQUEUE tristate '"NFQUEUE" target Support' |
aba0d3480
|
869 |
depends on NETFILTER_ADVANCED |
5f2cafe73
|
870 |
select NETFILTER_NETLINK_QUEUE |
aba0d3480
|
871 872 873 874 875 876 877 |
help This target replaced the old obsolete QUEUE target. As opposed to QUEUE, it supports 65535 different queues, not just one. To compile it as a module, choose M here. If unsure, say N. |
10db9069e
|
878 879 |
config NETFILTER_XT_TARGET_NOTRACK tristate '"NOTRACK" target support (DEPRECATED)' |
757ae316f
|
880 881 882 |
depends on NF_CONNTRACK depends on IP_NF_RAW || IP6_NF_RAW depends on NETFILTER_ADVANCED |
10db9069e
|
883 |
select NETFILTER_XT_TARGET_CT |
5859034d7
|
884 885 |
config NETFILTER_XT_TARGET_RATEEST tristate '"RATEEST" target support' |
b26e76b7c
|
886 |
depends on NETFILTER_ADVANCED |
5859034d7
|
887 888 889 890 891 892 |
help This option adds a `RATEEST' target, which allows to measure rates similar to TC estimators. The `rateest' match can be used to match on the measured rates. To compile it as a module, choose M here. If unsure, say N. |
2cbc78a29
|
893 894 895 |
config NETFILTER_XT_TARGET_REDIRECT tristate "REDIRECT target support" depends on NF_NAT |
b59eaf9e2
|
896 |
select NF_NAT_REDIRECT |
2cbc78a29
|
897 898 899 900 901 902 903 |
---help--- REDIRECT is a special case of NAT: all incoming connections are mapped onto the incoming interface's address, causing the packets to come to the local machine instead of passing through. This is useful for transparent proxies. To compile it as a module, choose M here. If unsure, say N. |
e281b1989
|
904 |
config NETFILTER_XT_TARGET_TEE |
fe6fb5528
|
905 |
tristate '"TEE" - packet cloning to alternate destination' |
e281b1989
|
906 |
depends on NETFILTER_ADVANCED |
f09becc79
|
907 |
depends on IPV6 || IPV6=n |
83827f6a8
|
908 |
depends on !NF_CONNTRACK || NF_CONNTRACK |
bbde9fc18
|
909 |
select NF_DUP_IPV4 |
5d400a493
|
910 |
select NF_DUP_IPV6 if IP6_NF_IPTABLES |
e281b1989
|
911 912 913 |
---help--- This option adds a "TEE" target with which a packet can be cloned and this clone be rerouted to another nexthop. |
e84392707
|
914 |
config NETFILTER_XT_TARGET_TPROXY |
fd158d79d
|
915 |
tristate '"TPROXY" target transparent proxying support' |
e84392707
|
916 917 |
depends on NETFILTER_XTABLES depends on NETFILTER_ADVANCED |
f09becc79
|
918 919 |
depends on IPV6 || IPV6=n depends on IP6_NF_IPTABLES || IP6_NF_IPTABLES=n |
fd158d79d
|
920 |
depends on IP_NF_MANGLE |
e84392707
|
921 |
select NF_DEFRAG_IPV4 |
74ec4d55c
|
922 |
select NF_DEFRAG_IPV6 if IP6_NF_IPTABLES != n |
45ca4e0cf
|
923 924 |
select NF_TPROXY_IPV4 select NF_TPROXY_IPV6 if IP6_NF_IPTABLES |
e84392707
|
925 926 927 928 929 |
help This option adds a `TPROXY' target, which is somewhat similar to REDIRECT. It can only be used in the mangle table and is useful to redirect traffic to a transparent proxy. It does _not_ depend on Netfilter connection tracking and NAT, unlike REDIRECT. |
fd158d79d
|
930 931 932 |
For it to work you will have to configure certain iptables rules and use policy routing. For more information on how to set it up see Documentation/networking/tproxy.txt. |
e84392707
|
933 934 |
To compile it as a module, choose M here. If unsure, say N. |
ba9dda3ab
|
935 936 |
config NETFILTER_XT_TARGET_TRACE tristate '"TRACE" target support' |
ba9dda3ab
|
937 |
depends on IP_NF_RAW || IP6_NF_RAW |
33b8e7760
|
938 |
depends on NETFILTER_ADVANCED |
ba9dda3ab
|
939 940 941 942 943 944 |
help The TRACE target allows you to mark packets so that the kernel will log every rule which match the packets as those traverse the tables, chains, rules. If you want to compile it as a module, say M here and read |
e403149c9
|
945 |
<file:Documentation/kbuild/modules.txt>. If unsure, say `N'. |
ba9dda3ab
|
946 |
|
5e6874cdb
|
947 948 |
config NETFILTER_XT_TARGET_SECMARK tristate '"SECMARK" target support' |
c2df73de2
|
949 |
depends on NETWORK_SECMARK |
33b8e7760
|
950 |
default m if NETFILTER_ADVANCED=n |
5e6874cdb
|
951 952 953 954 955 |
help The SECMARK target allows security marking of network packets, for use with security subsystems. To compile it as a module, choose M here. If unsure, say N. |
cdd289a2f
|
956 957 |
config NETFILTER_XT_TARGET_TCPMSS tristate '"TCPMSS" target support' |
f09becc79
|
958 |
depends on IPV6 || IPV6=n |
33b8e7760
|
959 |
default m if NETFILTER_ADVANCED=n |
cdd289a2f
|
960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 |
---help--- This option adds a `TCPMSS' target, which allows you to alter the MSS value of TCP SYN packets, to control the maximum size for that connection (usually limiting it to your outgoing interface's MTU minus 40). This is used to overcome criminally braindead ISPs or servers which block ICMP Fragmentation Needed packets. The symptoms of this problem are that everything works fine from your Linux firewall/router, but machines behind it can never exchange large packets: 1) Web browsers connect, then hang with no data received. 2) Small mail works fine, but large emails hang. 3) ssh works fine, but scp hangs after initial handshaking. Workaround: activate this option and add a rule to your firewall configuration like: iptables -A FORWARD -p tcp --tcp-flags SYN,RST SYN \ -j TCPMSS --clamp-mss-to-pmtu To compile it as a module, choose M here. If unsure, say N. |
338e8a792
|
982 |
config NETFILTER_XT_TARGET_TCPOPTSTRIP |
663ef0d18
|
983 |
tristate '"TCPOPTSTRIP" target support' |
338e8a792
|
984 |
depends on IP_NF_MANGLE || IP6_NF_MANGLE |
33b8e7760
|
985 |
depends on NETFILTER_ADVANCED |
338e8a792
|
986 987 988 |
help This option adds a "TCPOPTSTRIP" target, which allows you to strip TCP options from TCP packets. |
44c587319
|
989 990 991 |
# alphabetically ordered list of matches comment "Xtables matches" |
de81bbea1
|
992 993 |
config NETFILTER_XT_MATCH_ADDRTYPE tristate '"addrtype" address type match support' |
5cca4ace0
|
994 |
default m if NETFILTER_ADVANCED=n |
de81bbea1
|
995 996 997 998 999 1000 |
---help--- This option allows you to match what routing thinks of an address, eg. UNICAST, LOCAL, BROADCAST, ... If you want to compile it as a module, say M here and read <file:Documentation/kbuild/modules.txt>. If unsure, say `N'. |
e6f30c731
|
1001 1002 1003 1004 1005 1006 1007 1008 |
config NETFILTER_XT_MATCH_BPF tristate '"bpf" match support' depends on NETFILTER_ADVANCED help BPF matching applies a linux socket filter to each packet and accepts those for which the filter returns non-zero. To compile it as a module, choose M here. If unsure, say N. |
82a37132f
|
1009 1010 1011 1012 1013 1014 1015 1016 1017 |
config NETFILTER_XT_MATCH_CGROUP tristate '"control group" match support' depends on NETFILTER_ADVANCED depends on CGROUPS select CGROUP_NET_CLASSID ---help--- Socket/process control group matching allows you to match locally generated packets based on which net_cls control group processes belong to. |
0269ea493
|
1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 |
config NETFILTER_XT_MATCH_CLUSTER tristate '"cluster" match support' depends on NF_CONNTRACK depends on NETFILTER_ADVANCED ---help--- This option allows you to build work-load-sharing clusters of network servers/stateful firewalls without having a dedicated load-balancing router/server/switch. Basically, this match returns true when the packet must be handled by this cluster node. Thus, all nodes see all packets and this match decides which node handles what packets. The work-load sharing algorithm is based on source address hashing. If you say Y or M here, try `iptables -m cluster --help` for more information. |
2e4e6a17a
|
1033 1034 |
config NETFILTER_XT_MATCH_COMMENT tristate '"comment" match support' |
33b8e7760
|
1035 |
depends on NETFILTER_ADVANCED |
2e4e6a17a
|
1036 1037 1038 1039 1040 |
help This option adds a `comment' dummy-match, which allows you to put comments in your iptables ruleset. If you want to compile it as a module, say M here and read |
39f5fb303
|
1041 |
<file:Documentation/kbuild/modules.txt>. If unsure, say `N'. |
2e4e6a17a
|
1042 1043 1044 |
config NETFILTER_XT_MATCH_CONNBYTES tristate '"connbytes" per-connection counter match support' |
587aa6416
|
1045 |
depends on NF_CONNTRACK |
33b8e7760
|
1046 |
depends on NETFILTER_ADVANCED |
2e4e6a17a
|
1047 1048 1049 1050 1051 |
help This option adds a `connbytes' match, which allows you to match the number of bytes and/or packets for each direction within a connection. If you want to compile it as a module, say M here and read |
39f5fb303
|
1052 |
<file:Documentation/kbuild/modules.txt>. If unsure, say `N'. |
2e4e6a17a
|
1053 |
|
c539f0171
|
1054 1055 1056 |
config NETFILTER_XT_MATCH_CONNLABEL tristate '"connlabel" match support' select NF_CONNTRACK_LABELS |
35612a229
|
1057 |
depends on NF_CONNTRACK |
c539f0171
|
1058 1059 1060 1061 1062 1063 1064 1065 |
depends on NETFILTER_ADVANCED ---help--- This match allows you to test and assign userspace-defined labels names to a connection. The kernel only stores bit values - mapping names to bits is done by userspace. Unlike connmark, more than 32 flag bits may be assigned to a connection simultaneously. |
370786f9c
|
1066 |
config NETFILTER_XT_MATCH_CONNLIMIT |
481922485
|
1067 |
tristate '"connlimit" match support' |
3fd8f9e4b
|
1068 |
depends on NF_CONNTRACK |
33b8e7760
|
1069 |
depends on NETFILTER_ADVANCED |
625c55611
|
1070 |
select NETFILTER_CONNCOUNT |
370786f9c
|
1071 1072 1073 |
---help--- This match allows you to match against the number of parallel connections to a server per client IP address (or address block). |
2e4e6a17a
|
1074 1075 |
config NETFILTER_XT_MATCH_CONNMARK tristate '"connmark" connection mark match support' |
587aa6416
|
1076 |
depends on NF_CONNTRACK |
33b8e7760
|
1077 |
depends on NETFILTER_ADVANCED |
b8f00ba27
|
1078 1079 1080 1081 1082 |
select NETFILTER_XT_CONNMARK ---help--- This is a backwards-compat option for the user's convenience (e.g. when running oldconfig). It selects CONFIG_NETFILTER_XT_CONNMARK (combined connmark/CONNMARK module). |
2e4e6a17a
|
1083 1084 1085 |
config NETFILTER_XT_MATCH_CONNTRACK tristate '"conntrack" connection tracking match support' |
587aa6416
|
1086 |
depends on NF_CONNTRACK |
33b8e7760
|
1087 |
default m if NETFILTER_ADVANCED=n |
2e4e6a17a
|
1088 1089 1090 1091 1092 1093 1094 1095 |
help This is a general conntrack match module, a superset of the state match. It allows matching on additional conntrack information, which is useful in complex configurations, such as NAT gateways with multiple internet links or tunnels. To compile it as a module, choose M here. If unsure, say N. |
e8648a1fd
|
1096 1097 1098 1099 1100 1101 1102 1103 1104 |
config NETFILTER_XT_MATCH_CPU tristate '"cpu" match support' depends on NETFILTER_ADVANCED help CPU matching allows you to match packets based on the CPU currently handling the packet. To compile it as a module, choose M here. If unsure, say N. |
2e4e6a17a
|
1105 1106 |
config NETFILTER_XT_MATCH_DCCP |
4c37799cc
|
1107 |
tristate '"dccp" protocol match support' |
33b8e7760
|
1108 |
depends on NETFILTER_ADVANCED |
f3261aff3
|
1109 |
default IP_DCCP |
2e4e6a17a
|
1110 1111 1112 1113 1114 1115 |
help With this option enabled, you will be able to use the iptables `dccp' match in order to match on DCCP source/destination ports and DCCP flags. If you want to compile it as a module, say M here and read |
39f5fb303
|
1116 |
<file:Documentation/kbuild/modules.txt>. If unsure, say `N'. |
2e4e6a17a
|
1117 |
|
9291747f1
|
1118 1119 1120 1121 1122 1123 1124 1125 |
config NETFILTER_XT_MATCH_DEVGROUP tristate '"devgroup" match support' depends on NETFILTER_ADVANCED help This options adds a `devgroup' match, which allows to match on the device group a network device is assigned to. To compile it as a module, choose M here. If unsure, say N. |
9ba162761
|
1126 |
config NETFILTER_XT_MATCH_DSCP |
c3b33e6a2
|
1127 |
tristate '"dscp" and "tos" match support' |
33b8e7760
|
1128 |
depends on NETFILTER_ADVANCED |
9ba162761
|
1129 1130 1131 1132 1133 |
help This option adds a `DSCP' match, which allows you to match against the IPv4/IPv6 header DSCP field (differentiated services codepoint). The DSCP field can have any value between 0x0 and 0x3f inclusive. |
c3b33e6a2
|
1134 1135 1136 |
It will also add a "tos" match, which allows you to match packets based on the Type Of Service fields of the IPv4 packet (which share the same bits as DSCP). |
9ba162761
|
1137 |
To compile it as a module, choose M here. If unsure, say N. |
d446a8202
|
1138 1139 1140 1141 1142 1143 1144 1145 |
config NETFILTER_XT_MATCH_ECN tristate '"ecn" match support' depends on NETFILTER_ADVANCED ---help--- This option adds an "ECN" match, which allows you to match against the IPv4 and TCP header ECN fields. To compile it as a module, choose M here. If unsure, say N. |
dc5ab2fae
|
1146 |
config NETFILTER_XT_MATCH_ESP |
4c37799cc
|
1147 |
tristate '"esp" match support' |
33b8e7760
|
1148 |
depends on NETFILTER_ADVANCED |
dc5ab2fae
|
1149 1150 1151 1152 1153 |
help This match extension allows you to match a range of SPIs inside ESP header of IPSec packets. To compile it as a module, choose M here. If unsure, say N. |
aba0d3480
|
1154 1155 |
config NETFILTER_XT_MATCH_HASHLIMIT tristate '"hashlimit" match support' |
f09becc79
|
1156 |
depends on IP6_NF_IPTABLES || IP6_NF_IPTABLES=n |
aba0d3480
|
1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 |
depends on NETFILTER_ADVANCED help This option adds a `hashlimit' match. As opposed to `limit', this match dynamically creates a hash table of limit buckets, based on your selection of source/destination addresses and/or ports. It enables you to express policies like `10kpps for any given destination address' or `500pps from any given source address' with a single rule. |
2e4e6a17a
|
1168 1169 |
config NETFILTER_XT_MATCH_HELPER tristate '"helper" match support' |
587aa6416
|
1170 |
depends on NF_CONNTRACK |
33b8e7760
|
1171 |
depends on NETFILTER_ADVANCED |
2e4e6a17a
|
1172 1173 1174 1175 1176 |
help Helper matching allows you to match packets in dynamic connections tracked by a conntrack-helper, ie. ip_conntrack_ftp To compile it as a module, choose M here. If unsure, say Y. |
cfac5ef7b
|
1177 1178 1179 1180 1181 1182 1183 |
config NETFILTER_XT_MATCH_HL tristate '"hl" hoplimit/TTL match support' depends on NETFILTER_ADVANCED ---help--- HL matching allows you to match packets based on the hoplimit in the IPv6 header, or the time-to-live field in the IPv4 header of the packet. |
6a649f339
|
1184 1185 1186 1187 1188 1189 1190 1191 |
config NETFILTER_XT_MATCH_IPCOMP tristate '"ipcomp" match support' depends on NETFILTER_ADVANCED help This match extension allows you to match a range of CPIs(16 bits) inside IPComp header of IPSec packets. To compile it as a module, choose M here. If unsure, say N. |
f72e25a89
|
1192 1193 |
config NETFILTER_XT_MATCH_IPRANGE tristate '"iprange" address range match support' |
f72e25a89
|
1194 1195 1196 1197 1198 1199 1200 |
depends on NETFILTER_ADVANCED ---help--- This option adds a "iprange" match, which allows you to match based on an IP address range. (Normal iptables only matches on single addresses with an optional mask.) If unsure, say M. |
9c3e1c396
|
1201 1202 1203 1204 1205 1206 1207 1208 1209 |
config NETFILTER_XT_MATCH_IPVS tristate '"ipvs" match support' depends on IP_VS depends on NETFILTER_ADVANCED depends on NF_CONNTRACK help This option allows you to match against IPVS properties of a packet. If unsure, say N. |
74f77a6b2
|
1210 1211 1212 1213 1214 1215 1216 1217 1218 |
config NETFILTER_XT_MATCH_L2TP tristate '"l2tp" match support' depends on NETFILTER_ADVANCED default L2TP ---help--- This option adds an "L2TP" match, which allows you to match against L2TP protocol header fields. To compile it as a module, choose M here. If unsure, say N. |
2e4e6a17a
|
1219 1220 |
config NETFILTER_XT_MATCH_LENGTH tristate '"length" match support' |
33b8e7760
|
1221 |
depends on NETFILTER_ADVANCED |
2e4e6a17a
|
1222 1223 1224 1225 1226 1227 1228 1229 |
help This option allows you to match the length of a packet against a specific value or range of values. To compile it as a module, choose M here. If unsure, say N. config NETFILTER_XT_MATCH_LIMIT tristate '"limit" match support' |
33b8e7760
|
1230 |
depends on NETFILTER_ADVANCED |
2e4e6a17a
|
1231 1232 1233 1234 1235 1236 1237 1238 1239 |
help limit matching allows you to control the rate at which a rule can be matched: mainly useful in combination with the LOG target ("LOG target support", below) and to avoid some Denial of Service attacks. To compile it as a module, choose M here. If unsure, say N. config NETFILTER_XT_MATCH_MAC tristate '"mac" address match support' |
33b8e7760
|
1240 |
depends on NETFILTER_ADVANCED |
2e4e6a17a
|
1241 1242 1243 1244 1245 1246 1247 1248 |
help MAC matching allows you to match packets based on the source Ethernet address of the packet. To compile it as a module, choose M here. If unsure, say N. config NETFILTER_XT_MATCH_MARK tristate '"mark" match support' |
28b949885
|
1249 1250 1251 1252 1253 1254 |
depends on NETFILTER_ADVANCED select NETFILTER_XT_MARK ---help--- This is a backwards-compat option for the user's convenience (e.g. when running oldconfig). It selects CONFIG_NETFILTER_XT_MARK (combined mark/MARK module). |
2e4e6a17a
|
1255 |
|
aba0d3480
|
1256 1257 |
config NETFILTER_XT_MATCH_MULTIPORT tristate '"multiport" Multiple port match support' |
aba0d3480
|
1258 1259 1260 1261 1262 1263 1264 |
depends on NETFILTER_ADVANCED help Multiport matching allows you to match TCP or UDP packets based on a series of source or destination ports: normally a rule can only match a single range of ports. To compile it as a module, choose M here. If unsure, say N. |
ceb98d03e
|
1265 1266 |
config NETFILTER_XT_MATCH_NFACCT tristate '"nfacct" match support' |
bc94b5216
|
1267 |
depends on NETFILTER_ADVANCED |
ceb98d03e
|
1268 1269 1270 1271 1272 1273 |
select NETFILTER_NETLINK_ACCT help This option allows you to use the extended accounting through nfnetlink_acct. To compile it as a module, choose M here. If unsure, say N. |
115bc8f28
|
1274 1275 |
config NETFILTER_XT_MATCH_OSF tristate '"osf" Passive OS fingerprint match' |
f6b7b5f4f
|
1276 1277 |
depends on NETFILTER_ADVANCED select NETFILTER_NETLINK_OSF |
115bc8f28
|
1278 1279 1280 1281 1282 1283 1284 1285 1286 |
help This option selects the Passive OS Fingerprinting match module that allows to passively match the remote operating system by analyzing incoming TCP SYN packets. Rules and loading software can be downloaded from http://www.ioremap.net/projects/osf To compile it as a module, choose M here. If unsure, say N. |
0265ab44b
|
1287 1288 |
config NETFILTER_XT_MATCH_OWNER tristate '"owner" match support' |
33b8e7760
|
1289 |
depends on NETFILTER_ADVANCED |
0265ab44b
|
1290 1291 1292 1293 |
---help--- Socket owner matching allows you to match locally-generated packets based on who created the socket: the user or group. It is also possible to check whether a socket actually exists. |
c4b885139
|
1294 1295 |
config NETFILTER_XT_MATCH_POLICY tristate 'IPsec "policy" match support' |
c2df73de2
|
1296 |
depends on XFRM |
33b8e7760
|
1297 |
default m if NETFILTER_ADVANCED=n |
c4b885139
|
1298 1299 1300 1301 1302 1303 |
help Policy matching allows you to match packets based on the IPsec policy that was used during decapsulation/will be used during encapsulation. To compile it as a module, choose M here. If unsure, say N. |
2e4e6a17a
|
1304 1305 |
config NETFILTER_XT_MATCH_PHYSDEV tristate '"physdev" match support' |
c2df73de2
|
1306 |
depends on BRIDGE && BRIDGE_NETFILTER |
33b8e7760
|
1307 |
depends on NETFILTER_ADVANCED |
2e4e6a17a
|
1308 1309 1310 1311 1312 1313 1314 1315 |
help Physdev packet matching matches against the physical bridge ports the IP packet arrived on or will leave by. To compile it as a module, choose M here. If unsure, say N. config NETFILTER_XT_MATCH_PKTTYPE tristate '"pkttype" packet type match support' |
33b8e7760
|
1316 |
depends on NETFILTER_ADVANCED |
2e4e6a17a
|
1317 1318 1319 1320 1321 1322 1323 1324 |
help Packet type matching allows you to match a packet by its "class", eg. BROADCAST, MULTICAST, ... Typical usage: iptables -A INPUT -m pkttype --pkt-type broadcast -j LOG To compile it as a module, choose M here. If unsure, say N. |
62b774348
|
1325 1326 |
config NETFILTER_XT_MATCH_QUOTA tristate '"quota" match support' |
33b8e7760
|
1327 |
depends on NETFILTER_ADVANCED |
62b774348
|
1328 1329 1330 1331 1332 |
help This option adds a `quota' match, which allows to match on a byte counter. If you want to compile it as a module, say M here and read |
39f5fb303
|
1333 |
<file:Documentation/kbuild/modules.txt>. If unsure, say `N'. |
62b774348
|
1334 |
|
50c164a81
|
1335 1336 |
config NETFILTER_XT_MATCH_RATEEST tristate '"rateest" match support' |
b26e76b7c
|
1337 |
depends on NETFILTER_ADVANCED |
50c164a81
|
1338 1339 1340 1341 1342 1343 |
select NETFILTER_XT_TARGET_RATEEST help This option adds a `rateest' match, which allows to match on the rate estimated by the RATEEST target. To compile it as a module, choose M here. If unsure, say N. |
2e4e6a17a
|
1344 1345 |
config NETFILTER_XT_MATCH_REALM tristate '"realm" match support' |
33b8e7760
|
1346 |
depends on NETFILTER_ADVANCED |
c7066f70d
|
1347 |
select IP_ROUTE_CLASSID |
2e4e6a17a
|
1348 1349 1350 |
help This option adds a `realm' match, which allows you to use the realm key from the routing subsystem inside iptables. |
33b8e7760
|
1351 |
|
2e4e6a17a
|
1352 1353 |
This match pretty much resembles the CONFIG_NET_CLS_ROUTE4 option in tc world. |
33b8e7760
|
1354 |
|
2e4e6a17a
|
1355 |
If you want to compile it as a module, say M here and read |
39f5fb303
|
1356 |
<file:Documentation/kbuild/modules.txt>. If unsure, say `N'. |
2e4e6a17a
|
1357 |
|
e948b20a7
|
1358 1359 |
config NETFILTER_XT_MATCH_RECENT tristate '"recent" match support' |
e948b20a7
|
1360 1361 1362 1363 1364 1365 1366 |
depends on NETFILTER_ADVANCED ---help--- This match is used for creating one or many lists of recently used addresses and then matching against that/those list(s). Short options are available by using 'iptables -m recent -h' Official Website: <http://snowman.net/projects/ipt_recent/> |
2e4e6a17a
|
1367 |
config NETFILTER_XT_MATCH_SCTP |
663ef0d18
|
1368 |
tristate '"sctp" protocol match support' |
33b8e7760
|
1369 |
depends on NETFILTER_ADVANCED |
f3261aff3
|
1370 |
default IP_SCTP |
2e4e6a17a
|
1371 1372 1373 1374 1375 1376 |
help With this option enabled, you will be able to use the `sctp' match in order to match on SCTP source/destination ports and SCTP chunk types. If you want to compile it as a module, say M here and read |
39f5fb303
|
1377 |
<file:Documentation/kbuild/modules.txt>. If unsure, say `N'. |
2e4e6a17a
|
1378 |
|
136cdc71f
|
1379 |
config NETFILTER_XT_MATCH_SOCKET |
663ef0d18
|
1380 |
tristate '"socket" match support' |
136cdc71f
|
1381 1382 |
depends on NETFILTER_XTABLES depends on NETFILTER_ADVANCED |
f09becc79
|
1383 1384 |
depends on IPV6 || IPV6=n depends on IP6_NF_IPTABLES || IP6_NF_IPTABLES=n |
7414d929b
|
1385 1386 |
select NF_SOCKET_IPV4 select NF_SOCKET_IPV6 if IP6_NF_IPTABLES |
136cdc71f
|
1387 |
select NF_DEFRAG_IPV4 |
74ec4d55c
|
1388 |
select NF_DEFRAG_IPV6 if IP6_NF_IPTABLES != n |
136cdc71f
|
1389 1390 1391 1392 1393 1394 1395 |
help This option adds a `socket' match, which can be used to match packets for which a TCP or UDP socket lookup finds a valid socket. It can be used in combination with the MARK target and policy routing to implement full featured non-locally bound sockets. To compile it as a module, choose M here. If unsure, say N. |
2e4e6a17a
|
1396 1397 |
config NETFILTER_XT_MATCH_STATE tristate '"state" match support' |
587aa6416
|
1398 |
depends on NF_CONNTRACK |
33b8e7760
|
1399 |
default m if NETFILTER_ADVANCED=n |
2e4e6a17a
|
1400 1401 1402 1403 1404 1405 |
help Connection state matching allows you to match packets based on their relationship to a tracked connection (ie. previous packets). This is a powerful tool for packet classification. To compile it as a module, choose M here. If unsure, say N. |
f3389805e
|
1406 1407 |
config NETFILTER_XT_MATCH_STATISTIC tristate '"statistic" match support' |
33b8e7760
|
1408 |
depends on NETFILTER_ADVANCED |
f3389805e
|
1409 |
help |
68c1692e3
|
1410 1411 1412 1413 |
This option adds a `statistic' match, which allows you to match on packets periodically or randomly with a given percentage. To compile it as a module, choose M here. If unsure, say N. |
f3389805e
|
1414 |
|
2e4e6a17a
|
1415 1416 |
config NETFILTER_XT_MATCH_STRING tristate '"string" match support' |
33b8e7760
|
1417 |
depends on NETFILTER_ADVANCED |
2e4e6a17a
|
1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 |
select TEXTSEARCH select TEXTSEARCH_KMP select TEXTSEARCH_BM select TEXTSEARCH_FSM help This option adds a `string' match, which allows you to look for pattern matchings in packets. To compile it as a module, choose M here. If unsure, say N. config NETFILTER_XT_MATCH_TCPMSS tristate '"tcpmss" match support' |
33b8e7760
|
1430 |
depends on NETFILTER_ADVANCED |
2e4e6a17a
|
1431 1432 1433 1434 1435 1436 |
help This option adds a `tcpmss' match, which allows you to examine the MSS value of TCP SYN packets, which control the maximum packet size for that connection. To compile it as a module, choose M here. If unsure, say N. |
ee4411a1b
|
1437 1438 |
config NETFILTER_XT_MATCH_TIME tristate '"time" match support' |
33b8e7760
|
1439 |
depends on NETFILTER_ADVANCED |
ee4411a1b
|
1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 |
---help--- This option adds a "time" match, which allows you to match based on the packet arrival time (at the machine which netfilter is running) on) or departure time/date (for locally generated packets). If you say Y here, try `iptables -m time --help` for more information. If you want to compile it as a module, say M here. If unsure, say N. |
1b50b8a37
|
1450 1451 |
config NETFILTER_XT_MATCH_U32 tristate '"u32" match support' |
33b8e7760
|
1452 |
depends on NETFILTER_ADVANCED |
1b50b8a37
|
1453 1454 1455 1456 1457 1458 1459 1460 1461 |
---help--- u32 allows you to extract quantities of up to 4 bytes from a packet, AND them with specified masks, shift them by specified amounts and test whether the results are in any of a set of specified ranges. The specification of what to extract is general enough to skip over headers with lengths stored in the packet, as in IP or TCP header lengths. Details and examples are in the kernel module source. |
c2df73de2
|
1462 |
endif # NETFILTER_XTABLES |
a6c1cd572
|
1463 |
|
c2df73de2
|
1464 |
endmenu |
a6c1cd572
|
1465 |
|
a7b4f989a
|
1466 |
source "net/netfilter/ipset/Kconfig" |
cb7f6a7b7
|
1467 |
source "net/netfilter/ipvs/Kconfig" |