On Mon, Aug 19, 2013 at 06:58:05AM -0700, Eric Dumazet wrote: > 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. Better to fix the box which is randomizing the acks and ignoring the SACKs. Usually these are older Cisco PIX/ASA devices which just need a code upgrade. Phil -- 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