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

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