http://bugzilla.suse.com/show_bug.cgi?id=966335
http://bugzilla.suse.com/show_bug.cgi?id=966335#c4
Michal Kubeček changed:
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--- Comment #4 from Michal Kubeček ---
Sounds like the issue fixed by commit
9cf7490360bf ("tcp: do not drop syn_recv on all icmp reports")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9...
It caused receiving side of a TCP connection to respond to any ICMP packet
related to it (including redirects) received while in "synack sent" state by
resetting the connection.
The symptom was that TCP connections via PRG openvpn from outside to machines
in
PRG office were reset by receiving side because default gateway issued a
redirect
(to tell them to use the openvpn gateway instead).
The fix has been backported to stable-4.4 and is present in 4.4.4 (and mainline
since 4.5-rc4).
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