[Bug 1427] can not reuse source port to a DNATed IP if it is being used by another connection

[bugzilla-daemon at netfilter.org]

https://bugzilla.netfilter.org/show_bug.cgi?id=1427

Florian Westphal <fw at strlen.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |FIXED
             Status|NEW                         |RESOLVED

--- Comment #2 from Florian Westphal <fw at strlen.de> ---
This is caused by bad interaction between TCP early demux and the NAT engine.
Test case works with "sysctl net.ipv4.tcp_early_demux=0"

patch to detect this case & undo the wrong lookup:

https://patchwork.ozlabs.org/project/netfilter-devel/patch/20210224162321.4899-2-fw@strlen.de/

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