On 26/02/11 22:45, Jozsef Kadlecsik wrote: > On Sat, 26 Feb 2011, Pablo Neira Ayuso wrote: >> I have test it here, it works fine. Let me know if you're OK with it. > > The patch looks OK but I think Changli Gao is also right and it'd be > simpler to set the [reply][synack][SR] state to sIG. What do you think? I read his email before leaving and after I made the new patch. Indeed, his idea is simpler, here's a new patch. I tested it here, it works fine. Patrick, please apply!
Index: linux-2.6.37/net/netfilter/nf_conntrack_proto_tcp.c =================================================================== --- linux-2.6.37.orig/net/netfilter/nf_conntrack_proto_tcp.c 2011-02-26 20:14:44.000000000 +0000 +++ linux-2.6.37/net/netfilter/nf_conntrack_proto_tcp.c 2011-02-26 20:15:03.000000000 +0000 @@ -227,11 +227,11 @@ * sCL -> sIV */ /* sNO, sSS, sSR, sES, sFW, sCW, sLA, sTW, sCL, sS2 */ -/*synack*/ { sIV, sSR, sSR, sIG, sIG, sIG, sIG, sIG, sIG, sSR }, +/*synack*/ { sIV, sSR, sIG, sIG, sIG, sIG, sIG, sIG, sIG, sSR }, /* * sSS -> sSR Standard open. * sS2 -> sSR Simultaneous open - * sSR -> sSR Retransmitted SYN/ACK. + * sSR -> sIG Retransmitted SYN/ACK, ignore it. * sES -> sIG Late retransmitted SYN/ACK? * sFW -> sIG Might be SYN/ACK answering ignored SYN * sCW -> sIG