On Mon, 19 Aug 2013, Eric Dumazet wrote: > On Mon, 2013-08-19 at 15:49 +0200, Christoph Paasch wrote: > > > It's a TCP-patch, that interprets duplicate-acks with invalid SACK-blocks as > > duplicate acks in tcp_sock->sacked_out. > > Yeah, but here, this is conntrack who is blocking the thing. > > TCP receiver has no chance to 'fix' it. > > See conntrack is one of those buggy middle box as well. > > So if you want to properly handle this mess, you'll also have to fix > conntrack. I beg you pardon: why conntrack should be relaxed, when it is expected to do more strict TCP checkings (RFC5961, Section 5.). Also, it's clearly a broken middle box. Don't shoot the messenger. Best regards, Jozsef - E-mail : kadlec@xxxxxxxxxxxxxxxxx, kadlecsik.jozsef@xxxxxxxxxxxxx PGP key : http://www.kfki.hu/~kadlec/pgp_public_key.txt Address : Wigner Research Centre for Physics, Hungarian Academy of Sciences H-1525 Budapest 114, POB. 49, Hungary -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
