···66 depends on INET && NETFILTER7788config NF_CONNTRACK_IPV499- tristate "IPv4 connection tracking support (required for NAT) (EXPERIMENTAL)"1010- depends on EXPERIMENTAL && NF_CONNTRACK99+ tristate "IPv4 connection tracking support (required for NAT)"1010+ depends on NF_CONNTRACK1111 ---help---1212 Connection tracking keeps a record of what packets have passed1313 through your machine, in order to figure out how they are related
+12-13
net/netfilter/Kconfig
···4444 depends on NF_CONNTRACK_ENABLED45454646config NF_CONNTRACK_SUPPORT4747- bool "Layer 3 Independent Connection tracking (EXPERIMENTAL)"4848- depends on EXPERIMENTAL4747+ bool "Layer 3 Independent Connection tracking"4948 help5049 Layer 3 independent connection tracking is experimental scheme5150 which generalize ip_conntrack to support other layer 3 protocols.···121122122123config NF_CT_PROTO_GRE123124 tristate124124- depends on EXPERIMENTAL && NF_CONNTRACK125125+ depends on NF_CONNTRACK125126126127config NF_CT_PROTO_SCTP127128 tristate 'SCTP protocol connection tracking support (EXPERIMENTAL)'···135136 Documentation/modules.txt. If unsure, say `N'.136137137138config NF_CONNTRACK_AMANDA138138- tristate "Amanda backup protocol support (EXPERIMENTAL)"139139- depends on EXPERIMENTAL && NF_CONNTRACK139139+ tristate "Amanda backup protocol support"140140+ depends on NF_CONNTRACK140141 select TEXTSEARCH141142 select TEXTSEARCH_KMP142143 help···150151 To compile it as a module, choose M here. If unsure, say N.151152152153config NF_CONNTRACK_FTP153153- tristate "FTP protocol support (EXPERIMENTAL)"154154- depends on EXPERIMENTAL && NF_CONNTRACK154154+ tristate "FTP protocol support"155155+ depends on NF_CONNTRACK155156 help156157 Tracking FTP connections is problematic: special helpers are157158 required for tracking them, and doing masquerading and other forms···183184 To compile it as a module, choose M here. If unsure, say N.184185185186config NF_CONNTRACK_IRC186186- tristate "IRC protocol support (EXPERIMENTAL)"187187- depends on EXPERIMENTAL && NF_CONNTRACK187187+ tristate "IRC protocol support"188188+ depends on NF_CONNTRACK188189 help189190 There is a commonly-used extension to IRC called190191 Direct Client-to-Client Protocol (DCC). This enables users to send···217218 To compile it as a module, choose M here. If unsure, say N.218219219220config NF_CONNTRACK_PPTP220220- tristate "PPtP protocol support (EXPERIMENTAL)"221221- depends on EXPERIMENTAL && NF_CONNTRACK221221+ tristate "PPtP protocol support"222222+ depends on NF_CONNTRACK222223 select NF_CT_PROTO_GRE223224 help224225 This module adds support for PPTP (Point to Point Tunnelling···248249 To compile it as a module, choose M here. If unsure, say N.249250250251config NF_CONNTRACK_TFTP251251- tristate "TFTP protocol support (EXPERIMENTAL)"252252- depends on EXPERIMENTAL && NF_CONNTRACK252252+ tristate "TFTP protocol support"253253+ depends on NF_CONNTRACK253254 help254255 TFTP connection tracking helper, this is required depending255256 on how restrictive your ruleset is.