1 # This file is part of the OpenADK project. OpenADK is copyrighted
2 # material, please see the LICENCE file in the top-level directory.
4 config ADK_LINUX_KERNEL_NF_NAT
7 config ADK_LINUX_KERNEL_NF_NAT_IPV4
10 config ADK_LINUX_KERNEL_IP_NF_IPTABLES
11 tristate 'IP tables support'
12 select ADK_LINUX_KERNEL_NETFILTER_XTABLES
15 iptables is a general, extensible packet identification framework.
16 The packet filtering and full NAT (masquerading, port forwarding,
17 etc) subsystems now use this: say `Y' or `M' here if you want to use
20 config ADK_LINUX_KERNEL_IP_NF_FILTER
21 tristate 'IP Packet Filtering table support'
22 depends on ADK_LINUX_KERNEL_IP_NF_IPTABLES
25 Packet filtering defines a table `filter', which has a series of
26 rules for simple packet filtering at local input, forwarding and
29 config ADK_LINUX_KERNEL_IP_NF_NAT
30 tristate 'IP NAT table support'
31 select ADK_LINUX_KERNEL_NETFILTER_XT_NAT
32 select ADK_LINUX_KERNEL_NF_NAT
33 select ADK_LINUX_KERNEL_NF_NAT_IPV4
34 depends on ADK_LINUX_KERNEL_IP_NF_IPTABLES
38 config ADK_LINUX_KERNEL_IP_NF_MANGLE
39 tristate 'IP Packet mangling table support'
40 depends on ADK_LINUX_KERNEL_IP_NF_IPTABLES
43 This option adds a `mangle' table to iptables: see the man page for
44 iptables(8). This table is used for various packet alterations
45 which can effect how the packet is routed.
47 config ADK_LINUX_KERNEL_NF_CONNTRACK_IPV4
48 tristate 'IP connection tracking support (required for NAT)'
49 select ADK_LINUX_KERNEL_NF_CONNTRACK
50 select ADK_LINUX_KERNEL_NETFILTER_XT_MATCH_CONNTRACK
53 Connection tracking keeps a record of what packets have passed
54 through your machine, in order to figure out how they are related
57 config ADK_LINUX_KERNEL_IP_NF_CT_ACCT
58 bool 'Connection tracking flow accounting'
59 depends on ADK_LINUX_KERNEL_NF_CONNTRACK
61 If this option is enabled, the connection tracking code will
62 keep per-flow packet and byte counters.
64 Those counters can be used for flow-based accounting or the
67 menu "IP target support"
69 config ADK_LINUX_KERNEL_IP_NF_TARGET_MASQUERADE
70 tristate 'MASQUERADE target support'
71 depends on ADK_LINUX_KERNEL_NF_NAT
74 Masquerading is a special case of NAT: all outgoing connections are
75 changed to seem to come from a particular interface's address, and
76 if the interface goes down, those connections are lost. This is
77 only useful for dialup accounts with dynamic IP address (ie. your IP
78 address will be different on next dialup).
80 config ADK_LINUX_KERNEL_IP_NF_TARGET_REJECT
81 tristate 'REJECT target support'
82 depends on ADK_LINUX_KERNEL_IP_NF_FILTER
85 The REJECT target allows a filtering rule to specify that an ICMP
86 error should be issued in response to an incoming packet, rather
87 than silently being dropped.
89 config ADK_LINUX_KERNEL_IP_NF_TARGET_REDIRECT
90 tristate 'REDIRECT target support'
91 depends on ADK_LINUX_KERNEL_NF_NAT
93 REDIRECT is a special case of NAT: all incoming connections are
94 mapped onto the incoming interface's address, causing the packets to
95 come to the local machine instead of passing through. This is
96 useful for transparent proxies.
98 config ADK_LINUX_KERNEL_IP_NF_TARGET_NETMAP
99 tristate 'NETMAP target support'
100 depends on ADK_LINUX_KERNEL_NF_NAT
102 NETMAP is an implementation of static 1:1 NAT mapping of network
103 addresses. It maps the network address part, while keeping the host
104 address part intact. It is similar to Fast NAT, except that
105 Netfilter's connection tracking doesn't work well with Fast NAT.
107 config ADK_LINUX_KERNEL_IP_NF_TARGET_ECN
108 tristate 'ECN target support'
109 depends on ADK_LINUX_KERNEL_IP_NF_MANGLE
111 This option adds a `ECN' target, which can be used in the iptables mangle
114 You can use this target to remove the ECN bits from the IPv4 header of
115 an IP packet. This is particularly useful, if you need to work around
116 existing ECN blackholes on the internet, but don't want to disable
117 ECN support in general.