![Thomas Gleixner](/assets/img/avatar_default.png)
Add SPDX license identifiers to all Make/Kconfig files which: - Have no license information of any form These files fall under the project license, GPL v2 only. The resulting SPDX license identifier is: GPL-2.0-only Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
361 lines
10 KiB
Plaintext
361 lines
10 KiB
Plaintext
# SPDX-License-Identifier: GPL-2.0-only
|
|
#
|
|
# IP netfilter configuration
|
|
#
|
|
|
|
menu "IP: Netfilter Configuration"
|
|
depends on INET && NETFILTER
|
|
|
|
config NF_DEFRAG_IPV4
|
|
tristate
|
|
default n
|
|
|
|
config NF_SOCKET_IPV4
|
|
tristate "IPv4 socket lookup support"
|
|
help
|
|
This option enables the IPv4 socket lookup infrastructure. This is
|
|
is required by the {ip,nf}tables socket match.
|
|
|
|
config NF_TPROXY_IPV4
|
|
tristate "IPv4 tproxy support"
|
|
|
|
if NF_TABLES
|
|
|
|
config NF_TABLES_IPV4
|
|
bool "IPv4 nf_tables support"
|
|
help
|
|
This option enables the IPv4 support for nf_tables.
|
|
|
|
if NF_TABLES_IPV4
|
|
|
|
config NFT_REJECT_IPV4
|
|
select NF_REJECT_IPV4
|
|
default NFT_REJECT
|
|
tristate
|
|
|
|
config NFT_DUP_IPV4
|
|
tristate "IPv4 nf_tables packet duplication support"
|
|
depends on !NF_CONNTRACK || NF_CONNTRACK
|
|
select NF_DUP_IPV4
|
|
help
|
|
This module enables IPv4 packet duplication support for nf_tables.
|
|
|
|
config NFT_FIB_IPV4
|
|
select NFT_FIB
|
|
tristate "nf_tables fib / ip route lookup support"
|
|
help
|
|
This module enables IPv4 FIB lookups, e.g. for reverse path filtering.
|
|
It also allows query of the FIB for the route type, e.g. local, unicast,
|
|
multicast or blackhole.
|
|
|
|
endif # NF_TABLES_IPV4
|
|
|
|
config NF_TABLES_ARP
|
|
bool "ARP nf_tables support"
|
|
select NETFILTER_FAMILY_ARP
|
|
help
|
|
This option enables the ARP support for nf_tables.
|
|
|
|
endif # NF_TABLES
|
|
|
|
config NF_FLOW_TABLE_IPV4
|
|
tristate "Netfilter flow table IPv4 module"
|
|
depends on NF_FLOW_TABLE
|
|
help
|
|
This option adds the flow table IPv4 support.
|
|
|
|
To compile it as a module, choose M here.
|
|
|
|
config NF_DUP_IPV4
|
|
tristate "Netfilter IPv4 packet duplication to alternate destination"
|
|
depends on !NF_CONNTRACK || NF_CONNTRACK
|
|
help
|
|
This option enables the nf_dup_ipv4 core, which duplicates an IPv4
|
|
packet to be rerouted to another destination.
|
|
|
|
config NF_LOG_ARP
|
|
tristate "ARP packet logging"
|
|
default m if NETFILTER_ADVANCED=n
|
|
select NF_LOG_COMMON
|
|
|
|
config NF_LOG_IPV4
|
|
tristate "IPv4 packet logging"
|
|
default m if NETFILTER_ADVANCED=n
|
|
select NF_LOG_COMMON
|
|
|
|
config NF_REJECT_IPV4
|
|
tristate "IPv4 packet rejection"
|
|
default m if NETFILTER_ADVANCED=n
|
|
|
|
if NF_NAT
|
|
config NF_NAT_SNMP_BASIC
|
|
tristate "Basic SNMP-ALG support"
|
|
depends on NF_CONNTRACK_SNMP
|
|
depends on NETFILTER_ADVANCED
|
|
default NF_NAT && NF_CONNTRACK_SNMP
|
|
select ASN1
|
|
---help---
|
|
|
|
This module implements an Application Layer Gateway (ALG) for
|
|
SNMP payloads. In conjunction with NAT, it allows a network
|
|
management system to access multiple private networks with
|
|
conflicting addresses. It works by modifying IP addresses
|
|
inside SNMP payloads to match IP-layer NAT mapping.
|
|
|
|
This is the "basic" form of SNMP-ALG, as described in RFC 2962
|
|
|
|
To compile it as a module, choose M here. If unsure, say N.
|
|
|
|
config NF_NAT_PPTP
|
|
tristate
|
|
depends on NF_CONNTRACK
|
|
default NF_CONNTRACK_PPTP
|
|
|
|
config NF_NAT_H323
|
|
tristate
|
|
depends on NF_CONNTRACK
|
|
default NF_CONNTRACK_H323
|
|
|
|
endif # NF_NAT
|
|
|
|
config IP_NF_IPTABLES
|
|
tristate "IP tables support (required for filtering/masq/NAT)"
|
|
default m if NETFILTER_ADVANCED=n
|
|
select NETFILTER_XTABLES
|
|
help
|
|
iptables is a general, extensible packet identification framework.
|
|
The packet filtering and full NAT (masquerading, port forwarding,
|
|
etc) subsystems now use this: say `Y' or `M' here if you want to use
|
|
either of those.
|
|
|
|
To compile it as a module, choose M here. If unsure, say N.
|
|
|
|
if IP_NF_IPTABLES
|
|
|
|
# The matches.
|
|
config IP_NF_MATCH_AH
|
|
tristate '"ah" match support'
|
|
depends on NETFILTER_ADVANCED
|
|
help
|
|
This match extension allows you to match a range of SPIs
|
|
inside AH header of IPSec packets.
|
|
|
|
To compile it as a module, choose M here. If unsure, say N.
|
|
|
|
config IP_NF_MATCH_ECN
|
|
tristate '"ecn" match support'
|
|
depends on NETFILTER_ADVANCED
|
|
select NETFILTER_XT_MATCH_ECN
|
|
---help---
|
|
This is a backwards-compat option for the user's convenience
|
|
(e.g. when running oldconfig). It selects
|
|
CONFIG_NETFILTER_XT_MATCH_ECN.
|
|
|
|
config IP_NF_MATCH_RPFILTER
|
|
tristate '"rpfilter" reverse path filter match support'
|
|
depends on NETFILTER_ADVANCED
|
|
depends on IP_NF_MANGLE || IP_NF_RAW
|
|
---help---
|
|
This option allows you to match packets whose replies would
|
|
go out via the interface the packet came in.
|
|
|
|
To compile it as a module, choose M here. If unsure, say N.
|
|
The module will be called ipt_rpfilter.
|
|
|
|
config IP_NF_MATCH_TTL
|
|
tristate '"ttl" match support'
|
|
depends on NETFILTER_ADVANCED
|
|
select NETFILTER_XT_MATCH_HL
|
|
---help---
|
|
This is a backwards-compat option for the user's convenience
|
|
(e.g. when running oldconfig). It selects
|
|
CONFIG_NETFILTER_XT_MATCH_HL.
|
|
|
|
# `filter', generic and specific targets
|
|
config IP_NF_FILTER
|
|
tristate "Packet filtering"
|
|
default m if NETFILTER_ADVANCED=n
|
|
help
|
|
Packet filtering defines a table `filter', which has a series of
|
|
rules for simple packet filtering at local input, forwarding and
|
|
local output. See the man page for iptables(8).
|
|
|
|
To compile it as a module, choose M here. If unsure, say N.
|
|
|
|
config IP_NF_TARGET_REJECT
|
|
tristate "REJECT target support"
|
|
depends on IP_NF_FILTER
|
|
select NF_REJECT_IPV4
|
|
default m if NETFILTER_ADVANCED=n
|
|
help
|
|
The REJECT target allows a filtering rule to specify that an ICMP
|
|
error should be issued in response to an incoming packet, rather
|
|
than silently being dropped.
|
|
|
|
To compile it as a module, choose M here. If unsure, say N.
|
|
|
|
config IP_NF_TARGET_SYNPROXY
|
|
tristate "SYNPROXY target support"
|
|
depends on NF_CONNTRACK && NETFILTER_ADVANCED
|
|
select NETFILTER_SYNPROXY
|
|
select SYN_COOKIES
|
|
help
|
|
The SYNPROXY target allows you to intercept TCP connections and
|
|
establish them using syncookies before they are passed on to the
|
|
server. This allows to avoid conntrack and server resource usage
|
|
during SYN-flood attacks.
|
|
|
|
To compile it as a module, choose M here. If unsure, say N.
|
|
|
|
# NAT + specific targets: nf_conntrack
|
|
config IP_NF_NAT
|
|
tristate "iptables NAT support"
|
|
depends on NF_CONNTRACK
|
|
default m if NETFILTER_ADVANCED=n
|
|
select NF_NAT
|
|
select NETFILTER_XT_NAT
|
|
help
|
|
This enables the `nat' table in iptables. This allows masquerading,
|
|
port forwarding and other forms of full Network Address Port
|
|
Translation.
|
|
|
|
To compile it as a module, choose M here. If unsure, say N.
|
|
|
|
if IP_NF_NAT
|
|
|
|
config IP_NF_TARGET_MASQUERADE
|
|
tristate "MASQUERADE target support"
|
|
select NETFILTER_XT_TARGET_MASQUERADE
|
|
help
|
|
This is a backwards-compat option for the user's convenience
|
|
(e.g. when running oldconfig). It selects NETFILTER_XT_TARGET_MASQUERADE.
|
|
|
|
config IP_NF_TARGET_NETMAP
|
|
tristate "NETMAP target support"
|
|
depends on NETFILTER_ADVANCED
|
|
select NETFILTER_XT_TARGET_NETMAP
|
|
---help---
|
|
This is a backwards-compat option for the user's convenience
|
|
(e.g. when running oldconfig). It selects
|
|
CONFIG_NETFILTER_XT_TARGET_NETMAP.
|
|
|
|
config IP_NF_TARGET_REDIRECT
|
|
tristate "REDIRECT target support"
|
|
depends on NETFILTER_ADVANCED
|
|
select NETFILTER_XT_TARGET_REDIRECT
|
|
---help---
|
|
This is a backwards-compat option for the user's convenience
|
|
(e.g. when running oldconfig). It selects
|
|
CONFIG_NETFILTER_XT_TARGET_REDIRECT.
|
|
|
|
endif # IP_NF_NAT
|
|
|
|
# mangle + specific targets
|
|
config IP_NF_MANGLE
|
|
tristate "Packet mangling"
|
|
default m if NETFILTER_ADVANCED=n
|
|
help
|
|
This option adds a `mangle' table to iptables: see the man page for
|
|
iptables(8). This table is used for various packet alterations
|
|
which can effect how the packet is routed.
|
|
|
|
To compile it as a module, choose M here. If unsure, say N.
|
|
|
|
config IP_NF_TARGET_CLUSTERIP
|
|
tristate "CLUSTERIP target support"
|
|
depends on IP_NF_MANGLE
|
|
depends on NF_CONNTRACK
|
|
depends on NETFILTER_ADVANCED
|
|
select NF_CONNTRACK_MARK
|
|
select NETFILTER_FAMILY_ARP
|
|
help
|
|
The CLUSTERIP target allows you to build load-balancing clusters of
|
|
network servers without having a dedicated load-balancing
|
|
router/server/switch.
|
|
|
|
To compile it as a module, choose M here. If unsure, say N.
|
|
|
|
config IP_NF_TARGET_ECN
|
|
tristate "ECN target support"
|
|
depends on IP_NF_MANGLE
|
|
depends on NETFILTER_ADVANCED
|
|
---help---
|
|
This option adds a `ECN' target, which can be used in the iptables mangle
|
|
table.
|
|
|
|
You can use this target to remove the ECN bits from the IPv4 header of
|
|
an IP packet. This is particularly useful, if you need to work around
|
|
existing ECN blackholes on the internet, but don't want to disable
|
|
ECN support in general.
|
|
|
|
To compile it as a module, choose M here. If unsure, say N.
|
|
|
|
config IP_NF_TARGET_TTL
|
|
tristate '"TTL" target support'
|
|
depends on NETFILTER_ADVANCED && IP_NF_MANGLE
|
|
select NETFILTER_XT_TARGET_HL
|
|
---help---
|
|
This is a backwards-compatible option for the user's convenience
|
|
(e.g. when running oldconfig). It selects
|
|
CONFIG_NETFILTER_XT_TARGET_HL.
|
|
|
|
# raw + specific targets
|
|
config IP_NF_RAW
|
|
tristate 'raw table support (required for NOTRACK/TRACE)'
|
|
help
|
|
This option adds a `raw' table to iptables. This table is the very
|
|
first in the netfilter framework and hooks in at the PREROUTING
|
|
and OUTPUT chains.
|
|
|
|
If you want to compile it as a module, say M here and read
|
|
<file:Documentation/kbuild/modules.txt>. If unsure, say `N'.
|
|
|
|
# security table for MAC policy
|
|
config IP_NF_SECURITY
|
|
tristate "Security table"
|
|
depends on SECURITY
|
|
depends on NETFILTER_ADVANCED
|
|
help
|
|
This option adds a `security' table to iptables, for use
|
|
with Mandatory Access Control (MAC) policy.
|
|
|
|
If unsure, say N.
|
|
|
|
endif # IP_NF_IPTABLES
|
|
|
|
# ARP tables
|
|
config IP_NF_ARPTABLES
|
|
tristate "ARP tables support"
|
|
select NETFILTER_XTABLES
|
|
select NETFILTER_FAMILY_ARP
|
|
depends on NETFILTER_ADVANCED
|
|
help
|
|
arptables is a general, extensible packet identification framework.
|
|
The ARP packet filtering and mangling (manipulation)subsystems
|
|
use this: say Y or M here if you want to use either of those.
|
|
|
|
To compile it as a module, choose M here. If unsure, say N.
|
|
|
|
if IP_NF_ARPTABLES
|
|
|
|
config IP_NF_ARPFILTER
|
|
tristate "ARP packet filtering"
|
|
help
|
|
ARP packet filtering defines a table `filter', which has a series of
|
|
rules for simple ARP packet filtering at local input and
|
|
local output. On a bridge, you can also specify filtering rules
|
|
for forwarded ARP packets. See the man page for arptables(8).
|
|
|
|
To compile it as a module, choose M here. If unsure, say N.
|
|
|
|
config IP_NF_ARP_MANGLE
|
|
tristate "ARP payload mangling"
|
|
help
|
|
Allows altering the ARP packet payload: source and destination
|
|
hardware and network addresses.
|
|
|
|
endif # IP_NF_ARPTABLES
|
|
|
|
endmenu
|
|
|