On Mon, Mar 7, 2016 at 15:58, Cong Wang <xiyou.wangc...@gmail.com>wrote: > On Sun, Mar 6, 2016 at 7:10 AM, Andreas Messer <a...@bastelmap.de> wrote: > > i have updated two of my machines in the last weeks to linux 4.4.1 and > > linux 4.4.3. It seems that since then i get unexpected TCPv6 connection > > resets when connecting to these machines remotely. The issue occurs with > > sshd and with a http service. /etc/hosts.deny and /etc/hosts.allow are > > empty on both server machines. I'm not so in IPv6 and have no idea whats > > going on. Please find attached a network trace from one of the machines > > when connecting with ssh (on port 23 for debugging). > > Sounds like the problem fixed by the following commit: > > commit 9cf7490360bf2c46a16b7525f899e4970c5fc144 > Author: Eric Dumazet <eduma...@google.com> > Date: Tue Feb 2 19:31:12 2016 -0800 > > tcp: do not drop syn_recv on all icmp reports
Thanks for the tip. I applied the patch to V4,4,1 and it solved the problem. Cheers, Andreas
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