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This new interface supersedes the /proc interface:
/proc/sys/net/netfilter/nf_conntrack_PROTO_STATE_timeout
to tune default conntrack timeout helpers.
# nfct timeout default-get inet tcp
.l3proto = 2,
.l4proto = 6,
.policy = {
.SYN_SENT = 120,
.SYN_RECV = 60,
.ESTABLISHED = 432000,
.FIN_WAIT = 120,
.CLOSE_WAIT = 60,
.LAST_ACK = 30,
.TIME_WAIT = 120,
.CLOSE = 10,
.SYN_SENT2 = 120,
.RETRANS = 300,
.UNACKNOWLEDGED = 300,
},
};
# nfct timeout default-set inet tcp ESTABLISHED 100
As replacement for the existing /proc interfaces for timeout tweaking.
This feature requires a Linux kernel >= 3.13.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Open the socket from the main function, then pass it as parameter
to the corresponding interpreter.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Add helper function nfct_mnl_talk and use it.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Modularize timeout and helper extensions.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch adds the user-space helper infrastructure. It also
contains the implementation of the FTP helper in user-space.
There's one example file that you can use to configure conntrackd
as user-space connection tracking helper under:
doc/helper/conntrackd.conf
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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I'll need for the upcoming cthelper infrastructure. Moreover, we avoid
more fragmentation in the netfilter user-space utilities. And the plan
is that `nfct' will replace `conntrack' at some point.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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