1 # SPDX-License-Identifier: GPL-2.0-only
3 # IP netfilter configuration
6 menu "IPv6: Netfilter Configuration"
7 depends on INET && IPV6 && NETFILTER
10 tristate "IPv6 socket lookup support"
12 This option enables the IPv6 socket lookup infrastructure. This
13 is used by the {ip6,nf}tables socket match.
16 tristate "IPv6 tproxy support"
21 bool "IPv6 nf_tables support"
23 This option enables the IPv6 support for nf_tables.
27 config NFT_REJECT_IPV6
33 tristate "IPv6 nf_tables packet duplication support"
34 depends on !NF_CONNTRACK || NF_CONNTRACK
37 This module enables IPv6 packet duplication support for nf_tables.
40 tristate "nf_tables fib / ipv6 route lookup support"
43 This module enables IPv6 FIB lookups, e.g. for reverse path filtering.
44 It also allows query of the FIB for the route type, e.g. local, unicast,
45 multicast or blackhole.
47 endif # NF_TABLES_IPV6
50 config NF_FLOW_TABLE_IPV6
51 tristate "Netfilter flow table IPv6 module"
52 depends on NF_FLOW_TABLE
54 This option adds the flow table IPv6 support.
56 To compile it as a module, choose M here.
59 tristate "Netfilter IPv6 packet duplication to alternate destination"
60 depends on !NF_CONNTRACK || NF_CONNTRACK
62 This option enables the nf_dup_ipv6 core, which duplicates an IPv6
63 packet to be rerouted to another destination.
66 tristate "IPv6 packet rejection"
67 default m if NETFILTER_ADVANCED=n
70 tristate "IPv6 packet logging"
71 default m if NETFILTER_ADVANCED=n
74 config IP6_NF_IPTABLES
75 tristate "IP6 tables support (required for filtering)"
76 depends on INET && IPV6
77 select NETFILTER_XTABLES
78 default m if NETFILTER_ADVANCED=n
80 ip6tables is a general, extensible packet identification framework.
81 Currently only the packet filtering and packet mangling subsystem
82 for IPv6 use this, but connection tracking is going to follow.
83 Say 'Y' or 'M' here if you want to use either of those.
85 To compile it as a module, choose M here. If unsure, say N.
90 config IP6_NF_MATCH_AH
91 tristate '"ah" match support'
92 depends on NETFILTER_ADVANCED
94 This module allows one to match AH packets.
96 To compile it as a module, choose M here. If unsure, say N.
98 config IP6_NF_MATCH_EUI64
99 tristate '"eui64" address check'
100 depends on NETFILTER_ADVANCED
102 This module performs checking on the IPv6 source address
103 Compares the last 64 bits with the EUI64 (delivered
104 from the MAC address) address
106 To compile it as a module, choose M here. If unsure, say N.
108 config IP6_NF_MATCH_FRAG
109 tristate '"frag" Fragmentation header match support'
110 depends on NETFILTER_ADVANCED
112 frag matching allows you to match packets based on the fragmentation
113 header of the packet.
115 To compile it as a module, choose M here. If unsure, say N.
117 config IP6_NF_MATCH_OPTS
118 tristate '"hbh" hop-by-hop and "dst" opts header match support'
119 depends on NETFILTER_ADVANCED
121 This allows one to match packets based on the hop-by-hop
122 and destination options headers of a packet.
124 To compile it as a module, choose M here. If unsure, say N.
126 config IP6_NF_MATCH_HL
127 tristate '"hl" hoplimit match support'
128 depends on NETFILTER_ADVANCED
129 select NETFILTER_XT_MATCH_HL
131 This is a backwards-compat option for the user's convenience
132 (e.g. when running oldconfig). It selects
133 CONFIG_NETFILTER_XT_MATCH_HL.
135 config IP6_NF_MATCH_IPV6HEADER
136 tristate '"ipv6header" IPv6 Extension Headers Match'
137 default m if NETFILTER_ADVANCED=n
139 This module allows one to match packets based upon
140 the ipv6 extension headers.
142 To compile it as a module, choose M here. If unsure, say N.
144 config IP6_NF_MATCH_MH
145 tristate '"mh" match support'
146 depends on NETFILTER_ADVANCED
148 This module allows one to match MH packets.
150 To compile it as a module, choose M here. If unsure, say N.
152 config IP6_NF_MATCH_RPFILTER
153 tristate '"rpfilter" reverse path filter match support'
154 depends on NETFILTER_ADVANCED
155 depends on IP6_NF_MANGLE || IP6_NF_RAW
157 This option allows you to match packets whose replies would
158 go out via the interface the packet came in.
160 To compile it as a module, choose M here. If unsure, say N.
161 The module will be called ip6t_rpfilter.
163 config IP6_NF_MATCH_RT
164 tristate '"rt" Routing header match support'
165 depends on NETFILTER_ADVANCED
167 rt matching allows you to match packets based on the routing
168 header of the packet.
170 To compile it as a module, choose M here. If unsure, say N.
172 config IP6_NF_MATCH_SRH
173 tristate '"srh" Segment Routing header match support'
174 depends on NETFILTER_ADVANCED
176 srh matching allows you to match packets based on the segment
177 routing header of the packet.
179 To compile it as a module, choose M here. If unsure, say N.
182 config IP6_NF_TARGET_HL
183 tristate '"HL" hoplimit target support'
184 depends on NETFILTER_ADVANCED && IP6_NF_MANGLE
185 select NETFILTER_XT_TARGET_HL
187 This is a backwards-compatible option for the user's convenience
188 (e.g. when running oldconfig). It selects
189 CONFIG_NETFILTER_XT_TARGET_HL.
192 tristate "Packet filtering"
193 default m if NETFILTER_ADVANCED=n
195 Packet filtering defines a table `filter', which has a series of
196 rules for simple packet filtering at local input, forwarding and
197 local output. See the man page for iptables(8).
199 To compile it as a module, choose M here. If unsure, say N.
201 config IP6_NF_TARGET_REJECT
202 tristate "REJECT target support"
203 depends on IP6_NF_FILTER
204 select NF_REJECT_IPV6
205 default m if NETFILTER_ADVANCED=n
207 The REJECT target allows a filtering rule to specify that an ICMPv6
208 error should be issued in response to an incoming packet, rather
209 than silently being dropped.
211 To compile it as a module, choose M here. If unsure, say N.
213 config IP6_NF_TARGET_SYNPROXY
214 tristate "SYNPROXY target support"
215 depends on NF_CONNTRACK && NETFILTER_ADVANCED
216 select NETFILTER_SYNPROXY
219 The SYNPROXY target allows you to intercept TCP connections and
220 establish them using syncookies before they are passed on to the
221 server. This allows to avoid conntrack and server resource usage
222 during SYN-flood attacks.
224 To compile it as a module, choose M here. If unsure, say N.
227 tristate "Packet mangling"
228 default m if NETFILTER_ADVANCED=n
230 This option adds a `mangle' table to iptables: see the man page for
231 iptables(8). This table is used for various packet alterations
232 which can effect how the packet is routed.
234 To compile it as a module, choose M here. If unsure, say N.
237 tristate 'raw table support (required for TRACE)'
239 This option adds a `raw' table to ip6tables. This table is the very
240 first in the netfilter framework and hooks in at the PREROUTING
243 If you want to compile it as a module, say M here and read
244 <file:Documentation/kbuild/modules.rst>. If unsure, say `N'.
246 # security table for MAC policy
247 config IP6_NF_SECURITY
248 tristate "Security table"
250 depends on NETFILTER_ADVANCED
252 This option adds a `security' table to iptables, for use
253 with Mandatory Access Control (MAC) policy.
258 tristate "ip6tables NAT support"
259 depends on NF_CONNTRACK
260 depends on NETFILTER_ADVANCED
262 select NETFILTER_XT_NAT
264 This enables the `nat' table in ip6tables. This allows masquerading,
265 port forwarding and other forms of full Network Address Port
268 To compile it as a module, choose M here. If unsure, say N.
272 config IP6_NF_TARGET_MASQUERADE
273 tristate "MASQUERADE target support"
274 select NETFILTER_XT_TARGET_MASQUERADE
276 This is a backwards-compat option for the user's convenience
277 (e.g. when running oldconfig). It selects NETFILTER_XT_TARGET_MASQUERADE.
279 config IP6_NF_TARGET_NPT
280 tristate "NPT (Network Prefix translation) target support"
282 This option adds the `SNPT' and `DNPT' target, which perform
283 stateless IPv6-to-IPv6 Network Prefix Translation per RFC 6296.
285 To compile it as a module, choose M here. If unsure, say N.
289 endif # IP6_NF_IPTABLES
292 config NF_DEFRAG_IPV6