[Bug 1087] Window Tracking not disabled

bugzilla-daemon at netfilter.org bugzilla-daemon at netfilter.org
Tue Oct 18 13:02:00 CEST 2016


https://bugzilla.netfilter.org/show_bug.cgi?id=1087

--- Comment #10 from Mathew <mat999 at gmail.com> ---
(In reply to Arturo Borrero Gonzalez from comment #9)
> One more question.
> 
> In this line
> http://lxr.free-electrons.com/source/net/netfilter/nf_conntrack_proto_tcp.
> c?v=4.1#L935
> 
> the code calls tcp_options() which parses the TCP header to fill our
> conntrack entry (the 'seen' one).
> 
> In that function we don't put IP_CT_TCP_FLAG_BE_LIBERAL into flags, so a
> later check if (seen.flags & IP_CT_TCP_FLAG_BE_LIBERAL) should always fail.
> 
> It seems I'm missing something.

I am fairly certain (from memory) that's all I did to fix the issue. I don't
have the patched kernel in front of me however. I'll double check when I am
on-site on Thursday.

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