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#
# IP netfilter configuration
#
menu "IPv6: Netfilter Configuration"
depends on INET && IPV6 && NETFILTER
config NF_DEFRAG_IPV6
tristate
default n
config NF_CONNTRACK_IPV6
tristate "IPv6 connection tracking support"
depends on INET && IPV6 && NF_CONNTRACK
default m if NETFILTER_ADVANCED=n
select NF_DEFRAG_IPV6
---help---
Connection tracking keeps a record of what packets have passed
through your machine, in order to figure out how they are related
into connections.
This is IPv6 support on Layer 3 independent connection tracking.
Layer 3 independent connection tracking is experimental scheme
which generalize ip_conntrack to support other layer 3 protocols.
To compile it as a module, choose M here. If unsure, say N.
config NF_TABLES_IPV6
depends on NF_TABLES
tristate "IPv6 nf_tables support"
help
This option enables the IPv6 support for nf_tables.
config NFT_CHAIN_ROUTE_IPV6
depends on NF_TABLES_IPV6
tristate "IPv6 nf_tables route chain support"
help
This option enables the "route" chain for IPv6 in nf_tables. This
chain type is used to force packet re-routing after mangling header
fields such as the source, destination, flowlabel, hop-limit and
the packet mark.
config NFT_CHAIN_NAT_IPV6
depends on NF_TABLES_IPV6
depends on NF_NAT_IPV6 && NFT_NAT
tristate "IPv6 nf_tables nat chain support"
help
This option enables the "nat" chain for IPv6 in nf_tables. This
chain type is used to perform Network Address Translation (NAT)
packet transformations such as the source, destination address and
source and destination ports.
config NFT_REJECT_IPV6
depends on NF_TABLES_IPV6
default NFT_REJECT
tristate
config NF_LOG_IPV6
tristate "IPv6 packet logging"
depends on NETFILTER_ADVANCED
select NF_LOG_COMMON
config IP6_NF_IPTABLES
tristate "IP6 tables support (required for filtering)"
depends on INET && IPV6
select NETFILTER_XTABLES
default m if NETFILTER_ADVANCED=n
help
ip6tables is a general, extensible packet identification framework.
Currently only the packet filtering and packet mangling subsystem
for IPv6 use this, but connection tracking is going to follow.
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 IP6_NF_IPTABLES
# The simple matches.
config IP6_NF_MATCH_AH
tristate '"ah" match support'
depends on NETFILTER_ADVANCED
help
This module allows one to match AH packets.
To compile it as a module, choose M here. If unsure, say N.
config IP6_NF_MATCH_EUI64
tristate '"eui64" address check'
depends on NETFILTER_ADVANCED
help
This module performs checking on the IPv6 source address
Compares the last 64 bits with the EUI64 (delivered
from the MAC address) address
To compile it as a module, choose M here. If unsure, say N.
config IP6_NF_MATCH_FRAG
tristate '"frag" Fragmentation header match support'
depends on NETFILTER_ADVANCED
help
frag matching allows you to match packets based on the fragmentation
header of the packet.
To compile it as a module, choose M here. If unsure, say N.
config IP6_NF_MATCH_OPTS
tristate '"hbh" hop-by-hop and "dst" opts header match support'
depends on NETFILTER_ADVANCED
help
This allows one to match packets based on the hop-by-hop
and destination options headers of a packet.
To compile it as a module, choose M here. If unsure, say N.
config IP6_NF_MATCH_HL
tristate '"hl" hoplimit 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.
config IP6_NF_MATCH_IPV6HEADER
tristate '"ipv6header" IPv6 Extension Headers Match'
default m if NETFILTER_ADVANCED=n
help
This module allows one to match packets based upon
the ipv6 extension headers.
To compile it as a module, choose M here. If unsure, say N.
config IP6_NF_MATCH_MH
tristate '"mh" match support'
depends on NETFILTER_ADVANCED
help
This module allows one to match MH packets.
To compile it as a module, choose M here. If unsure, say N.
config IP6_NF_MATCH_RPFILTER
tristate '"rpfilter" reverse path filter match support'
depends on NETFILTER_ADVANCED && (IP6_NF_MANGLE || IP6_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 ip6t_rpfilter.
config IP6_NF_MATCH_RT
tristate '"rt" Routing header match support'
depends on NETFILTER_ADVANCED
help
rt matching allows you to match packets based on the routing
header of the packet.
To compile it as a module, choose M here. If unsure, say N.
# The targets
config IP6_NF_TARGET_HL
tristate '"HL" hoplimit target support'
depends on NETFILTER_ADVANCED && IP6_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.
config IP6_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 IP6_NF_TARGET_REJECT
tristate "REJECT target support"
depends on IP6_NF_FILTER
default m if NETFILTER_ADVANCED=n
help
The REJECT target allows a filtering rule to specify that an ICMPv6
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 IP6_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.
config IP6_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 IP6_NF_RAW
tristate 'raw table support (required for TRACE)'
help
This option adds a `raw' table to ip6tables. 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 IP6_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.
config NF_NAT_IPV6
tristate "IPv6 NAT"
depends on NF_CONNTRACK_IPV6
depends on NETFILTER_ADVANCED
select NF_NAT
help
The IPv6 NAT option allows masquerading, port forwarding and other
forms of full Network Address Port Translation. It is controlled by
the `nat' table in ip6tables, see the man page for ip6tables(8).
To compile it as a module, choose M here. If unsure, say N.
if NF_NAT_IPV6
config IP6_NF_TARGET_MASQUERADE
tristate "MASQUERADE target support"
help
Masquerading is a special case of NAT: all outgoing connections are
changed to seem to come from a particular interface's address, and
if the interface goes down, those connections are lost. This is
only useful for dialup accounts with dynamic IP address (ie. your IP
address will be different on next dialup).
To compile it as a module, choose M here. If unsure, say N.
config IP6_NF_TARGET_NPT
tristate "NPT (Network Prefix translation) target support"
help
This option adds the `SNPT' and `DNPT' target, which perform
stateless IPv6-to-IPv6 Network Prefix Translation per RFC 6296.
To compile it as a module, choose M here. If unsure, say N.
endif # NF_NAT_IPV6
endif # IP6_NF_IPTABLES
endmenu
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