net/ipv6/netfilter/Kconfig

   1 # SPDX-License-Identifier: GPL-2.0-only
   2 #
   3 # IP netfilter configuration
   4 #
   5
   6 menu "IPv6: Netfilter Configuration"
   7         depends on INET && IPV6 && NETFILTER
   8
   9 config NF_SOCKET_IPV6
  10         tristate "IPv6 socket lookup support"
  11         help
  12           This option enables the IPv6 socket lookup infrastructure. This
  13           is used by the {ip6,nf}tables socket match.
  14
  15 config NF_TPROXY_IPV6
  16         tristate "IPv6 tproxy support"
  17
  18 if NF_TABLES
  19
  20 config NF_TABLES_IPV6
  21         bool "IPv6 nf_tables support"
  22         help
  23           This option enables the IPv6 support for nf_tables.
  24
  25 if NF_TABLES_IPV6
  26
  27 config NFT_REJECT_IPV6
  28         select NF_REJECT_IPV6
  29         default NFT_REJECT
  30         tristate
  31
  32 config NFT_DUP_IPV6
  33         tristate "IPv6 nf_tables packet duplication support"
  34         depends on !NF_CONNTRACK || NF_CONNTRACK
  35         select NF_DUP_IPV6
  36         help
  37           This module enables IPv6 packet duplication support for nf_tables.
  38
  39 config NFT_FIB_IPV6
  40         tristate "nf_tables fib / ipv6 route lookup support"
  41         select NFT_FIB
  42         help
  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.
  46
  47 endif # NF_TABLES_IPV6
  48 endif # NF_TABLES
  49
  50 config NF_FLOW_TABLE_IPV6
  51         tristate "Netfilter flow table IPv6 module"
  52         depends on NF_FLOW_TABLE
  53         help
  54           This option adds the flow table IPv6 support.
  55
  56           To compile it as a module, choose M here.
  57
  58 config NF_DUP_IPV6
  59         tristate "Netfilter IPv6 packet duplication to alternate destination"
  60         depends on !NF_CONNTRACK || NF_CONNTRACK
  61         help
  62           This option enables the nf_dup_ipv6 core, which duplicates an IPv6
  63           packet to be rerouted to another destination.
  64
  65 config NF_REJECT_IPV6
  66         tristate "IPv6 packet rejection"
  67         default m if NETFILTER_ADVANCED=n
  68
  69 config NF_LOG_IPV6
  70         tristate "IPv6 packet logging"
  71         default m if NETFILTER_ADVANCED=n
  72         select NF_LOG_COMMON
  73
  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
  79         help
  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.
  84
  85           To compile it as a module, choose M here.  If unsure, say N.
  86
  87 if IP6_NF_IPTABLES
  88
  89 # The simple matches.
  90 config IP6_NF_MATCH_AH
  91         tristate '"ah" match support'
  92         depends on NETFILTER_ADVANCED
  93         help
  94           This module allows one to match AH packets.
  95
  96           To compile it as a module, choose M here.  If unsure, say N.
  97
  98 config IP6_NF_MATCH_EUI64
  99         tristate '"eui64" address check'
 100         depends on NETFILTER_ADVANCED
 101         help
 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
 105
 106           To compile it as a module, choose M here.  If unsure, say N.
 107
 108 config IP6_NF_MATCH_FRAG
 109         tristate '"frag" Fragmentation header match support'
 110         depends on NETFILTER_ADVANCED
 111         help
 112           frag matching allows you to match packets based on the fragmentation
 113           header of the packet.
 114
 115           To compile it as a module, choose M here.  If unsure, say N.
 116
 117 config IP6_NF_MATCH_OPTS
 118         tristate '"hbh" hop-by-hop and "dst" opts header match support'
 119         depends on NETFILTER_ADVANCED
 120         help
 121           This allows one to match packets based on the hop-by-hop
 122           and destination options headers of a packet.
 123
 124           To compile it as a module, choose M here.  If unsure, say N.
 125
 126 config IP6_NF_MATCH_HL
 127         tristate '"hl" hoplimit match support'
 128         depends on NETFILTER_ADVANCED
 129         select NETFILTER_XT_MATCH_HL
 130         ---help---
 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.
 134
 135 config IP6_NF_MATCH_IPV6HEADER
 136         tristate '"ipv6header" IPv6 Extension Headers Match'
 137         default m if NETFILTER_ADVANCED=n
 138         help
 139           This module allows one to match packets based upon
 140           the ipv6 extension headers.
 141
 142           To compile it as a module, choose M here.  If unsure, say N.
 143
 144 config IP6_NF_MATCH_MH
 145         tristate '"mh" match support'
 146         depends on NETFILTER_ADVANCED
 147         help
 148           This module allows one to match MH packets.
 149
 150           To compile it as a module, choose M here.  If unsure, say N.
 151
 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
 156         ---help---
 157           This option allows you to match packets whose replies would
 158           go out via the interface the packet came in.
 159
 160           To compile it as a module, choose M here.  If unsure, say N.
 161           The module will be called ip6t_rpfilter.
 162
 163 config IP6_NF_MATCH_RT
 164         tristate '"rt" Routing header match support'
 165         depends on NETFILTER_ADVANCED
 166         help
 167           rt matching allows you to match packets based on the routing
 168           header of the packet.
 169
 170           To compile it as a module, choose M here.  If unsure, say N.
 171
 172 config IP6_NF_MATCH_SRH
 173         tristate '"srh" Segment Routing header match support'
 174         depends on NETFILTER_ADVANCED
 175         help
 176           srh matching allows you to match packets based on the segment
 177           routing header of the packet.
 178
 179           To compile it as a module, choose M here.  If unsure, say N.
 180
 181 # The targets
 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
 186         ---help---
 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.
 190
 191 config IP6_NF_FILTER
 192         tristate "Packet filtering"
 193         default m if NETFILTER_ADVANCED=n
 194         help
 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).
 198
 199           To compile it as a module, choose M here.  If unsure, say N.
 200
 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
 206         help
 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.
 210
 211           To compile it as a module, choose M here.  If unsure, say N.
 212
 213 config IP6_NF_TARGET_SYNPROXY
 214         tristate "SYNPROXY target support"
 215         depends on NF_CONNTRACK && NETFILTER_ADVANCED
 216         select NETFILTER_SYNPROXY
 217         select SYN_COOKIES
 218         help
 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.
 223
 224           To compile it as a module, choose M here. If unsure, say N.
 225
 226 config IP6_NF_MANGLE
 227         tristate "Packet mangling"
 228         default m if NETFILTER_ADVANCED=n
 229         help
 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.
 233
 234           To compile it as a module, choose M here.  If unsure, say N.
 235
 236 config IP6_NF_RAW
 237         tristate  'raw table support (required for TRACE)'
 238         help
 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
 241           and OUTPUT chains.
 242
 243           If you want to compile it as a module, say M here and read
 244           <file:Documentation/kbuild/modules.txt>.  If unsure, say `N'.
 245
 246 # security table for MAC policy
 247 config IP6_NF_SECURITY
 248        tristate "Security table"
 249        depends on SECURITY
 250        depends on NETFILTER_ADVANCED
 251        help
 252          This option adds a `security' table to iptables, for use
 253          with Mandatory Access Control (MAC) policy.
 254
 255          If unsure, say N.
 256
 257 config IP6_NF_NAT
 258         tristate "ip6tables NAT support"
 259         depends on NF_CONNTRACK
 260         depends on NETFILTER_ADVANCED
 261         select NF_NAT
 262         select NETFILTER_XT_NAT
 263         help
 264           This enables the `nat' table in ip6tables. This allows masquerading,
 265           port forwarding and other forms of full Network Address Port
 266           Translation.
 267
 268           To compile it as a module, choose M here.  If unsure, say N.
 269
 270 if IP6_NF_NAT
 271
 272 config IP6_NF_TARGET_MASQUERADE
 273         tristate "MASQUERADE target support"
 274         select NETFILTER_XT_TARGET_MASQUERADE
 275         help
 276           This is a backwards-compat option for the user's convenience
 277           (e.g. when running oldconfig). It selects NETFILTER_XT_TARGET_MASQUERADE.
 278
 279 config IP6_NF_TARGET_NPT
 280         tristate "NPT (Network Prefix translation) target support"
 281         help
 282           This option adds the `SNPT' and `DNPT' target, which perform
 283           stateless IPv6-to-IPv6 Network Prefix Translation per RFC 6296.
 284
 285           To compile it as a module, choose M here.  If unsure, say N.
 286
 287 endif # IP6_NF_NAT
 288
 289 endif # IP6_NF_IPTABLES
 290 endmenu
 291
 292 config NF_DEFRAG_IPV6
 293         tristate