1#
  2# IP netfilter configuration
  3#
  4
  5menu "IP: Netfilter Configuration"
  6	depends on INET && NETFILTER
  7
  8config NF_DEFRAG_IPV4
  9	tristate
 10	default n
 11
 12config NF_CONNTRACK_IPV4
 13	tristate "IPv4 connection tracking support (required for NAT)"
 14	depends on NF_CONNTRACK
 15	default m if NETFILTER_ADVANCED=n
 16	select NF_DEFRAG_IPV4
 17	---help---
 18	  Connection tracking keeps a record of what packets have passed
 19	  through your machine, in order to figure out how they are related
 20	  into connections.
 21
 22	  This is IPv4 support on Layer 3 independent connection tracking.
 23	  Layer 3 independent connection tracking is experimental scheme
 24	  which generalize ip_conntrack to support other layer 3 protocols.
 25
 26	  To compile it as a module, choose M here.  If unsure, say N.
 27
 28config NF_SOCKET_IPV4
 29	tristate "IPv4 socket lookup support"
 30	help
 31	  This option enables the IPv4 socket lookup infrastructure. This is
 32	  is required by the iptables socket match.
 
 
 
 33
 34if NF_TABLES
 35
 36config NF_TABLES_IPV4
 37	bool "IPv4 nf_tables support"
 38	help
 39	  This option enables the IPv4 support for nf_tables.
 40
 41if NF_TABLES_IPV4
 42
 43config NFT_CHAIN_ROUTE_IPV4
 44	tristate "IPv4 nf_tables route chain support"
 45	help
 46	  This option enables the "route" chain for IPv4 in nf_tables. This
 47	  chain type is used to force packet re-routing after mangling header
 48	  fields such as the source, destination, type of service and
 49	  the packet mark.
 50
 51config NFT_REJECT_IPV4
 52	select NF_REJECT_IPV4
 53	default NFT_REJECT
 54	tristate
 55
 56config NFT_DUP_IPV4
 57	tristate "IPv4 nf_tables packet duplication support"
 58	depends on !NF_CONNTRACK || NF_CONNTRACK
 59	select NF_DUP_IPV4
 60	help
 61	  This module enables IPv4 packet duplication support for nf_tables.
 62
 63config NFT_FIB_IPV4
 64	select NFT_FIB
 65	tristate "nf_tables fib / ip route lookup support"
 66	help
 67	  This module enables IPv4 FIB lookups, e.g. for reverse path filtering.
 68	  It also allows query of the FIB for the route type, e.g. local, unicast,
 69	  multicast or blackhole.
 70
 71endif # NF_TABLES_IPV4
 72
 73config NF_TABLES_ARP
 74	bool "ARP nf_tables support"
 75	select NETFILTER_FAMILY_ARP
 76	help
 77	  This option enables the ARP support for nf_tables.
 78
 79endif # NF_TABLES
 80
 81config NF_FLOW_TABLE_IPV4
 82	tristate "Netfilter flow table IPv4 module"
 83	depends on NF_FLOW_TABLE
 84	help
 85	  This option adds the flow table IPv4 support.
 86
 87	  To compile it as a module, choose M here.
 88
 89config NF_DUP_IPV4
 90	tristate "Netfilter IPv4 packet duplication to alternate destination"
 91	depends on !NF_CONNTRACK || NF_CONNTRACK
 92	help
 93	  This option enables the nf_dup_ipv4 core, which duplicates an IPv4
 94	  packet to be rerouted to another destination.
 95
 96config NF_LOG_ARP
 97	tristate "ARP packet logging"
 98	default m if NETFILTER_ADVANCED=n
 99	select NF_LOG_COMMON
100
101config NF_LOG_IPV4
102	tristate "IPv4 packet logging"
103	default m if NETFILTER_ADVANCED=n
104	select NF_LOG_COMMON
105
106config NF_REJECT_IPV4
107	tristate "IPv4 packet rejection"
108	default m if NETFILTER_ADVANCED=n
109
110config NF_NAT_IPV4
111	tristate "IPv4 NAT"
112	depends on NF_CONNTRACK_IPV4
113	default m if NETFILTER_ADVANCED=n
114	select NF_NAT
115	help
116	  The IPv4 NAT option allows masquerading, port forwarding and other
117	  forms of full Network Address Port Translation. This can be
118	  controlled by iptables or nft.
119
120if NF_NAT_IPV4
121
122config NFT_CHAIN_NAT_IPV4
123	depends on NF_TABLES_IPV4
124	tristate "IPv4 nf_tables nat chain support"
125	help
126	  This option enables the "nat" chain for IPv4 in nf_tables. This
127	  chain type is used to perform Network Address Translation (NAT)
128	  packet transformations such as the source, destination address and
129	  source and destination ports.
130
131config NF_NAT_MASQUERADE_IPV4
132	tristate "IPv4 masquerade support"
133	help
134	  This is the kernel functionality to provide NAT in the masquerade
135	  flavour (automatic source address selection).
136
137config NFT_MASQ_IPV4
138	tristate "IPv4 masquerading support for nf_tables"
139	depends on NF_TABLES_IPV4
140	depends on NFT_MASQ
141	select NF_NAT_MASQUERADE_IPV4
142	help
143	  This is the expression that provides IPv4 masquerading support for
144	  nf_tables.
145
146config NFT_REDIR_IPV4
147	tristate "IPv4 redirect support for nf_tables"
148	depends on NF_TABLES_IPV4
149	depends on NFT_REDIR
150	select NF_NAT_REDIRECT
151	help
152	  This is the expression that provides IPv4 redirect support for
153	  nf_tables.
154
155config NF_NAT_SNMP_BASIC
156	tristate "Basic SNMP-ALG support"
157	depends on NF_CONNTRACK_SNMP
158	depends on NETFILTER_ADVANCED
159	default NF_NAT && NF_CONNTRACK_SNMP
160	select ASN1
161	---help---
162
163	  This module implements an Application Layer Gateway (ALG) for
164	  SNMP payloads.  In conjunction with NAT, it allows a network
165	  management system to access multiple private networks with
166	  conflicting addresses.  It works by modifying IP addresses
167	  inside SNMP payloads to match IP-layer NAT mapping.
168
169	  This is the "basic" form of SNMP-ALG, as described in RFC 2962
170
171	  To compile it as a module, choose M here.  If unsure, say N.
172
173config NF_NAT_PROTO_GRE
174	tristate
175	depends on NF_CT_PROTO_GRE
176
177config NF_NAT_PPTP
178	tristate
179	depends on NF_CONNTRACK
180	default NF_CONNTRACK_PPTP
181	select NF_NAT_PROTO_GRE
182
183config NF_NAT_H323
184	tristate
185	depends on NF_CONNTRACK
186	default NF_CONNTRACK_H323
187
188endif # NF_NAT_IPV4
189
190config IP_NF_IPTABLES
191	tristate "IP tables support (required for filtering/masq/NAT)"
192	default m if NETFILTER_ADVANCED=n
193	select NETFILTER_XTABLES
194	help
195	  iptables is a general, extensible packet identification framework.
196	  The packet filtering and full NAT (masquerading, port forwarding,
197	  etc) subsystems now use this: say `Y' or `M' here if you want to use
198	  either of those.
199
200	  To compile it as a module, choose M here.  If unsure, say N.
201
202if IP_NF_IPTABLES
203
204# The matches.
205config IP_NF_MATCH_AH
206	tristate '"ah" match support'
207	depends on NETFILTER_ADVANCED
208	help
209	  This match extension allows you to match a range of SPIs
210	  inside AH header of IPSec packets.
211
212	  To compile it as a module, choose M here.  If unsure, say N.
213
214config IP_NF_MATCH_ECN
215	tristate '"ecn" match support'
216	depends on NETFILTER_ADVANCED
217	select NETFILTER_XT_MATCH_ECN
218	---help---
219	This is a backwards-compat option for the user's convenience
220	(e.g. when running oldconfig). It selects
221	CONFIG_NETFILTER_XT_MATCH_ECN.
222
223config IP_NF_MATCH_RPFILTER
224	tristate '"rpfilter" reverse path filter match support'
225	depends on NETFILTER_ADVANCED
226	depends on IP_NF_MANGLE || IP_NF_RAW
227	---help---
228	  This option allows you to match packets whose replies would
229	  go out via the interface the packet came in.
230
231	  To compile it as a module, choose M here.  If unsure, say N.
232	  The module will be called ipt_rpfilter.
233
234config IP_NF_MATCH_TTL
235	tristate '"ttl" match support'
236	depends on NETFILTER_ADVANCED
237	select NETFILTER_XT_MATCH_HL
238	---help---
239	This is a backwards-compat option for the user's convenience
240	(e.g. when running oldconfig). It selects
241	CONFIG_NETFILTER_XT_MATCH_HL.
242
243# `filter', generic and specific targets
244config IP_NF_FILTER
245	tristate "Packet filtering"
246	default m if NETFILTER_ADVANCED=n
247	help
248	  Packet filtering defines a table `filter', which has a series of
249	  rules for simple packet filtering at local input, forwarding and
250	  local output.  See the man page for iptables(8).
251
252	  To compile it as a module, choose M here.  If unsure, say N.
253
254config IP_NF_TARGET_REJECT
255	tristate "REJECT target support"
256	depends on IP_NF_FILTER
257	select NF_REJECT_IPV4
258	default m if NETFILTER_ADVANCED=n
259	help
260	  The REJECT target allows a filtering rule to specify that an ICMP
261	  error should be issued in response to an incoming packet, rather
262	  than silently being dropped.
263
264	  To compile it as a module, choose M here.  If unsure, say N.
265
266config IP_NF_TARGET_SYNPROXY
267	tristate "SYNPROXY target support"
268	depends on NF_CONNTRACK && NETFILTER_ADVANCED
269	select NETFILTER_SYNPROXY
270	select SYN_COOKIES
271	help
272	  The SYNPROXY target allows you to intercept TCP connections and
273	  establish them using syncookies before they are passed on to the
274	  server. This allows to avoid conntrack and server resource usage
275	  during SYN-flood attacks.
276
277	  To compile it as a module, choose M here. If unsure, say N.
278
279# NAT + specific targets: nf_conntrack
280config IP_NF_NAT
281	tristate "iptables NAT support"
282	depends on NF_CONNTRACK_IPV4
283	default m if NETFILTER_ADVANCED=n
284	select NF_NAT
285	select NF_NAT_IPV4
286	select NETFILTER_XT_NAT
287	help
288	  This enables the `nat' table in iptables. This allows masquerading,
289	  port forwarding and other forms of full Network Address Port
290	  Translation.
291
292	  To compile it as a module, choose M here.  If unsure, say N.
293
294if IP_NF_NAT
295
296config IP_NF_TARGET_MASQUERADE
297	tristate "MASQUERADE target support"
298	select NF_NAT_MASQUERADE_IPV4
299	default m if NETFILTER_ADVANCED=n
300	help
301	  Masquerading is a special case of NAT: all outgoing connections are
302	  changed to seem to come from a particular interface's address, and
303	  if the interface goes down, those connections are lost.  This is
304	  only useful for dialup accounts with dynamic IP address (ie. your IP
305	  address will be different on next dialup).
306
307	  To compile it as a module, choose M here.  If unsure, say N.
308
309config IP_NF_TARGET_NETMAP
310	tristate "NETMAP target support"
311	depends on NETFILTER_ADVANCED
312	select NETFILTER_XT_TARGET_NETMAP
313	---help---
314	This is a backwards-compat option for the user's convenience
315	(e.g. when running oldconfig). It selects
316	CONFIG_NETFILTER_XT_TARGET_NETMAP.
317
318config IP_NF_TARGET_REDIRECT
319	tristate "REDIRECT target support"
320	depends on NETFILTER_ADVANCED
321	select NETFILTER_XT_TARGET_REDIRECT
322	---help---
323	This is a backwards-compat option for the user's convenience
324	(e.g. when running oldconfig). It selects
325	CONFIG_NETFILTER_XT_TARGET_REDIRECT.
326
327endif # IP_NF_NAT
328
329# mangle + specific targets
330config IP_NF_MANGLE
331	tristate "Packet mangling"
332	default m if NETFILTER_ADVANCED=n
333	help
334	  This option adds a `mangle' table to iptables: see the man page for
335	  iptables(8).  This table is used for various packet alterations
336	  which can effect how the packet is routed.
337
338	  To compile it as a module, choose M here.  If unsure, say N.
339
340config IP_NF_TARGET_CLUSTERIP
341	tristate "CLUSTERIP target support"
342	depends on IP_NF_MANGLE
343	depends on NF_CONNTRACK_IPV4
344	depends on NETFILTER_ADVANCED
345	select NF_CONNTRACK_MARK
346	select NETFILTER_FAMILY_ARP
347	help
348	  The CLUSTERIP target allows you to build load-balancing clusters of
349	  network servers without having a dedicated load-balancing
350	  router/server/switch.
351	
352	  To compile it as a module, choose M here.  If unsure, say N.
353
354config IP_NF_TARGET_ECN
355	tristate "ECN target support"
356	depends on IP_NF_MANGLE
357	depends on NETFILTER_ADVANCED
358	---help---
359	  This option adds a `ECN' target, which can be used in the iptables mangle
360	  table.  
361
362	  You can use this target to remove the ECN bits from the IPv4 header of
363	  an IP packet.  This is particularly useful, if you need to work around
364	  existing ECN blackholes on the internet, but don't want to disable
365	  ECN support in general.
366
367	  To compile it as a module, choose M here.  If unsure, say N.
368
369config IP_NF_TARGET_TTL
370	tristate '"TTL" target support'
371	depends on NETFILTER_ADVANCED && IP_NF_MANGLE
372	select NETFILTER_XT_TARGET_HL
373	---help---
374	This is a backwards-compatible option for the user's convenience
375	(e.g. when running oldconfig). It selects
376	CONFIG_NETFILTER_XT_TARGET_HL.
377
378# raw + specific targets
379config IP_NF_RAW
380	tristate  'raw table support (required for NOTRACK/TRACE)'
381	help
382	  This option adds a `raw' table to iptables. This table is the very
383	  first in the netfilter framework and hooks in at the PREROUTING
384	  and OUTPUT chains.
385	
386	  If you want to compile it as a module, say M here and read
387	  <file:Documentation/kbuild/modules.txt>.  If unsure, say `N'.
388
389# security table for MAC policy
390config IP_NF_SECURITY
391	tristate "Security table"
392	depends on SECURITY
393	depends on NETFILTER_ADVANCED
394	help
395	  This option adds a `security' table to iptables, for use
396	  with Mandatory Access Control (MAC) policy.
397	 
398	  If unsure, say N.
399
400endif # IP_NF_IPTABLES
401
402# ARP tables
403config IP_NF_ARPTABLES
404	tristate "ARP tables support"
405	select NETFILTER_XTABLES
406	select NETFILTER_FAMILY_ARP
407	depends on NETFILTER_ADVANCED
408	help
409	  arptables is a general, extensible packet identification framework.
410	  The ARP packet filtering and mangling (manipulation)subsystems
411	  use this: say Y or M here if you want to use either of those.
412
413	  To compile it as a module, choose M here.  If unsure, say N.
414
415if IP_NF_ARPTABLES
416
417config IP_NF_ARPFILTER
418	tristate "ARP packet filtering"
419	help
420	  ARP packet filtering defines a table `filter', which has a series of
421	  rules for simple ARP packet filtering at local input and
422	  local output.  On a bridge, you can also specify filtering rules
423	  for forwarded ARP packets. See the man page for arptables(8).
424
425	  To compile it as a module, choose M here.  If unsure, say N.
426
427config IP_NF_ARP_MANGLE
428	tristate "ARP payload mangling"
429	help
430	  Allows altering the ARP packet payload: source and destination
431	  hardware and network addresses.
432
433endif # IP_NF_ARPTABLES
434
435endmenu
436

  1# SPDX-License-Identifier: GPL-2.0-only
  2#
  3# IP netfilter configuration
  4#
  5
  6menu "IP: Netfilter Configuration"
  7	depends on INET && NETFILTER
  8
  9config NF_DEFRAG_IPV4
 10	tristate
 11	default n
 12
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 13config NF_SOCKET_IPV4
 14	tristate "IPv4 socket lookup support"
 15	help
 16	  This option enables the IPv4 socket lookup infrastructure. This is
 17	  is required by the {ip,nf}tables socket match.
 18
 19config NF_TPROXY_IPV4
 20	tristate "IPv4 tproxy support"
 21
 22if NF_TABLES
 23
 24config NF_TABLES_IPV4
 25	bool "IPv4 nf_tables support"
 26	help
 27	  This option enables the IPv4 support for nf_tables.
 28
 29if NF_TABLES_IPV4
 30
 
 
 
 
 
 
 
 
 31config NFT_REJECT_IPV4
 32	select NF_REJECT_IPV4
 33	default NFT_REJECT
 34	tristate
 35
 36config NFT_DUP_IPV4
 37	tristate "IPv4 nf_tables packet duplication support"
 38	depends on !NF_CONNTRACK || NF_CONNTRACK
 39	select NF_DUP_IPV4
 40	help
 41	  This module enables IPv4 packet duplication support for nf_tables.
 42
 43config NFT_FIB_IPV4
 44	select NFT_FIB
 45	tristate "nf_tables fib / ip route lookup support"
 46	help
 47	  This module enables IPv4 FIB lookups, e.g. for reverse path filtering.
 48	  It also allows query of the FIB for the route type, e.g. local, unicast,
 49	  multicast or blackhole.
 50
 51endif # NF_TABLES_IPV4
 52
 53config NF_TABLES_ARP
 54	bool "ARP nf_tables support"
 55	select NETFILTER_FAMILY_ARP
 56	help
 57	  This option enables the ARP support for nf_tables.
 58
 59endif # NF_TABLES
 60
 61config NF_FLOW_TABLE_IPV4
 62	tristate "Netfilter flow table IPv4 module"
 63	depends on NF_FLOW_TABLE
 64	help
 65	  This option adds the flow table IPv4 support.
 66
 67	  To compile it as a module, choose M here.
 68
 69config NF_DUP_IPV4
 70	tristate "Netfilter IPv4 packet duplication to alternate destination"
 71	depends on !NF_CONNTRACK || NF_CONNTRACK
 72	help
 73	  This option enables the nf_dup_ipv4 core, which duplicates an IPv4
 74	  packet to be rerouted to another destination.
 75
 76config NF_LOG_ARP
 77	tristate "ARP packet logging"
 78	default m if NETFILTER_ADVANCED=n
 79	select NF_LOG_COMMON
 80
 81config NF_LOG_IPV4
 82	tristate "IPv4 packet logging"
 83	default m if NETFILTER_ADVANCED=n
 84	select NF_LOG_COMMON
 85
 86config NF_REJECT_IPV4
 87	tristate "IPv4 packet rejection"
 88	default m if NETFILTER_ADVANCED=n
 89
 90if NF_NAT
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 91config NF_NAT_SNMP_BASIC
 92	tristate "Basic SNMP-ALG support"
 93	depends on NF_CONNTRACK_SNMP
 94	depends on NETFILTER_ADVANCED
 95	default NF_NAT && NF_CONNTRACK_SNMP
 96	select ASN1
 97	help
 98
 99	  This module implements an Application Layer Gateway (ALG) for
100	  SNMP payloads.  In conjunction with NAT, it allows a network
101	  management system to access multiple private networks with
102	  conflicting addresses.  It works by modifying IP addresses
103	  inside SNMP payloads to match IP-layer NAT mapping.
104
105	  This is the "basic" form of SNMP-ALG, as described in RFC 2962
106
107	  To compile it as a module, choose M here.  If unsure, say N.
108
 
 
 
 
109config NF_NAT_PPTP
110	tristate
111	depends on NF_CONNTRACK
112	default NF_CONNTRACK_PPTP
 
113
114config NF_NAT_H323
115	tristate
116	depends on NF_CONNTRACK
117	default NF_CONNTRACK_H323
118
119endif # NF_NAT
120
121config IP_NF_IPTABLES
122	tristate "IP tables support (required for filtering/masq/NAT)"
123	default m if NETFILTER_ADVANCED=n
124	select NETFILTER_XTABLES
125	help
126	  iptables is a general, extensible packet identification framework.
127	  The packet filtering and full NAT (masquerading, port forwarding,
128	  etc) subsystems now use this: say `Y' or `M' here if you want to use
129	  either of those.
130
131	  To compile it as a module, choose M here.  If unsure, say N.
132
133if IP_NF_IPTABLES
134
135# The matches.
136config IP_NF_MATCH_AH
137	tristate '"ah" match support'
138	depends on NETFILTER_ADVANCED
139	help
140	  This match extension allows you to match a range of SPIs
141	  inside AH header of IPSec packets.
142
143	  To compile it as a module, choose M here.  If unsure, say N.
144
145config IP_NF_MATCH_ECN
146	tristate '"ecn" match support'
147	depends on NETFILTER_ADVANCED
148	select NETFILTER_XT_MATCH_ECN
149	help
150	This is a backwards-compat option for the user's convenience
151	(e.g. when running oldconfig). It selects
152	CONFIG_NETFILTER_XT_MATCH_ECN.
153
154config IP_NF_MATCH_RPFILTER
155	tristate '"rpfilter" reverse path filter match support'
156	depends on NETFILTER_ADVANCED
157	depends on IP_NF_MANGLE || IP_NF_RAW
158	help
159	  This option allows you to match packets whose replies would
160	  go out via the interface the packet came in.
161
162	  To compile it as a module, choose M here.  If unsure, say N.
163	  The module will be called ipt_rpfilter.
164
165config IP_NF_MATCH_TTL
166	tristate '"ttl" match support'
167	depends on NETFILTER_ADVANCED
168	select NETFILTER_XT_MATCH_HL
169	help
170	This is a backwards-compat option for the user's convenience
171	(e.g. when running oldconfig). It selects
172	CONFIG_NETFILTER_XT_MATCH_HL.
173
174# `filter', generic and specific targets
175config IP_NF_FILTER
176	tristate "Packet filtering"
177	default m if NETFILTER_ADVANCED=n
178	help
179	  Packet filtering defines a table `filter', which has a series of
180	  rules for simple packet filtering at local input, forwarding and
181	  local output.  See the man page for iptables(8).
182
183	  To compile it as a module, choose M here.  If unsure, say N.
184
185config IP_NF_TARGET_REJECT
186	tristate "REJECT target support"
187	depends on IP_NF_FILTER
188	select NF_REJECT_IPV4
189	default m if NETFILTER_ADVANCED=n
190	help
191	  The REJECT target allows a filtering rule to specify that an ICMP
192	  error should be issued in response to an incoming packet, rather
193	  than silently being dropped.
194
195	  To compile it as a module, choose M here.  If unsure, say N.
196
197config IP_NF_TARGET_SYNPROXY
198	tristate "SYNPROXY target support"
199	depends on NF_CONNTRACK && NETFILTER_ADVANCED
200	select NETFILTER_SYNPROXY
201	select SYN_COOKIES
202	help
203	  The SYNPROXY target allows you to intercept TCP connections and
204	  establish them using syncookies before they are passed on to the
205	  server. This allows to avoid conntrack and server resource usage
206	  during SYN-flood attacks.
207
208	  To compile it as a module, choose M here. If unsure, say N.
209
210# NAT + specific targets: nf_conntrack
211config IP_NF_NAT
212	tristate "iptables NAT support"
213	depends on NF_CONNTRACK
214	default m if NETFILTER_ADVANCED=n
215	select NF_NAT
 
216	select NETFILTER_XT_NAT
217	help
218	  This enables the `nat' table in iptables. This allows masquerading,
219	  port forwarding and other forms of full Network Address Port
220	  Translation.
221
222	  To compile it as a module, choose M here.  If unsure, say N.
223
224if IP_NF_NAT
225
226config IP_NF_TARGET_MASQUERADE
227	tristate "MASQUERADE target support"
228	select NETFILTER_XT_TARGET_MASQUERADE
 
229	help
230	  This is a backwards-compat option for the user's convenience
231	  (e.g. when running oldconfig). It selects NETFILTER_XT_TARGET_MASQUERADE.
 
 
 
 
 
232
233config IP_NF_TARGET_NETMAP
234	tristate "NETMAP target support"
235	depends on NETFILTER_ADVANCED
236	select NETFILTER_XT_TARGET_NETMAP
237	help
238	This is a backwards-compat option for the user's convenience
239	(e.g. when running oldconfig). It selects
240	CONFIG_NETFILTER_XT_TARGET_NETMAP.
241
242config IP_NF_TARGET_REDIRECT
243	tristate "REDIRECT target support"
244	depends on NETFILTER_ADVANCED
245	select NETFILTER_XT_TARGET_REDIRECT
246	help
247	This is a backwards-compat option for the user's convenience
248	(e.g. when running oldconfig). It selects
249	CONFIG_NETFILTER_XT_TARGET_REDIRECT.
250
251endif # IP_NF_NAT
252
253# mangle + specific targets
254config IP_NF_MANGLE
255	tristate "Packet mangling"
256	default m if NETFILTER_ADVANCED=n
257	help
258	  This option adds a `mangle' table to iptables: see the man page for
259	  iptables(8).  This table is used for various packet alterations
260	  which can effect how the packet is routed.
261
262	  To compile it as a module, choose M here.  If unsure, say N.
263
264config IP_NF_TARGET_CLUSTERIP
265	tristate "CLUSTERIP target support"
266	depends on IP_NF_MANGLE
267	depends on NF_CONNTRACK
268	depends on NETFILTER_ADVANCED
269	select NF_CONNTRACK_MARK
270	select NETFILTER_FAMILY_ARP
271	help
272	  The CLUSTERIP target allows you to build load-balancing clusters of
273	  network servers without having a dedicated load-balancing
274	  router/server/switch.
275
276	  To compile it as a module, choose M here.  If unsure, say N.
277
278config IP_NF_TARGET_ECN
279	tristate "ECN target support"
280	depends on IP_NF_MANGLE
281	depends on NETFILTER_ADVANCED
282	help
283	  This option adds a `ECN' target, which can be used in the iptables mangle
284	  table.
285
286	  You can use this target to remove the ECN bits from the IPv4 header of
287	  an IP packet.  This is particularly useful, if you need to work around
288	  existing ECN blackholes on the internet, but don't want to disable
289	  ECN support in general.
290
291	  To compile it as a module, choose M here.  If unsure, say N.
292
293config IP_NF_TARGET_TTL
294	tristate '"TTL" target support'
295	depends on NETFILTER_ADVANCED && IP_NF_MANGLE
296	select NETFILTER_XT_TARGET_HL
297	help
298	This is a backwards-compatible option for the user's convenience
299	(e.g. when running oldconfig). It selects
300	CONFIG_NETFILTER_XT_TARGET_HL.
301
302# raw + specific targets
303config IP_NF_RAW
304	tristate  'raw table support (required for NOTRACK/TRACE)'
305	help
306	  This option adds a `raw' table to iptables. This table is the very
307	  first in the netfilter framework and hooks in at the PREROUTING
308	  and OUTPUT chains.
309
310	  If you want to compile it as a module, say M here and read
311	  <file:Documentation/kbuild/modules.rst>.  If unsure, say `N'.
312
313# security table for MAC policy
314config IP_NF_SECURITY
315	tristate "Security table"
316	depends on SECURITY
317	depends on NETFILTER_ADVANCED
318	help
319	  This option adds a `security' table to iptables, for use
320	  with Mandatory Access Control (MAC) policy.
321
322	  If unsure, say N.
323
324endif # IP_NF_IPTABLES
325
326# ARP tables
327config IP_NF_ARPTABLES
328	tristate "ARP tables support"
329	select NETFILTER_XTABLES
330	select NETFILTER_FAMILY_ARP
331	depends on NETFILTER_ADVANCED
332	help
333	  arptables is a general, extensible packet identification framework.
334	  The ARP packet filtering and mangling (manipulation)subsystems
335	  use this: say Y or M here if you want to use either of those.
336
337	  To compile it as a module, choose M here.  If unsure, say N.
338
339if IP_NF_ARPTABLES
340
341config IP_NF_ARPFILTER
342	tristate "ARP packet filtering"
343	help
344	  ARP packet filtering defines a table `filter', which has a series of
345	  rules for simple ARP packet filtering at local input and
346	  local output.  On a bridge, you can also specify filtering rules
347	  for forwarded ARP packets. See the man page for arptables(8).
348
349	  To compile it as a module, choose M here.  If unsure, say N.
350
351config IP_NF_ARP_MANGLE
352	tristate "ARP payload mangling"
353	help
354	  Allows altering the ARP packet payload: source and destination
355	  hardware and network addresses.
356
357endif # IP_NF_ARPTABLES
358
359endmenu
360