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conntrack: Allow specified alg port numbers.

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Algs can use variable control port numbers for servers.
The main use case is a kind of feeble security measure; the
thinking being by some is that it obscures the alg traffic.
It is really not very effective, but the kernel has this
capability. This patch mimics the capability.

Signed-off-by: Darrell Ball <dlu998@gmail.com>
Signed-off-by: Ben Pfaff <blp@ovn.org>
Acked-by: Aaron Conole <aconole@redhat.com>
This commit is contained in:
Darrell Ball
2017-12-04 08:13:06 -08:00
committed by Ben Pfaff
parent 94e711433c
commit bd7d93f8b4
4 changed files with 36 additions and 21 deletions
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4
lib/dpif-netdev.c
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@@ -5629,8 +5629,8 @@ dp_execute_cb(void *aux_, struct dp_packet_batch *packets_,
}
conntrack_execute(&dp->conntrack, packets_, aux->flow->dl_type, force,
commit, zone, setmark, setlabel, helper,
nat_action_info_ref, now);
commit, zone, setmark, setlabel, aux->flow->tp_src,
aux->flow->tp_dst, helper, nat_action_info_ref, now);
break;
}