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Groups > linux.kernel > #1537603

Re: netfilter regression causes lost pings "operation not permitted"

From Trevor Cordes <trevor@tecnopolis.ca>
Newsgroups linux.kernel
Subject Re: netfilter regression causes lost pings "operation not permitted"
Date 2016-12-07 09:30 +0100
Message-ID <sLFLY-65b-11@gated-at.bofh.it> (permalink)
References <sLFCh-621-21@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On 2016-12-07 Trevor Cordes wrote:
> Bisected down to:
> 870190a9ec9075205c0fa795a09fa931694a3ff1
> 7c9664351980aaa6a4b8837a314360b3a4ad382a

Oh!  I forgot to mention the most important point: iptable_nat module
MUST be loaded for the bug to show up!

modprobe iptable_nat

If you rmmod it, the bug goes away.  Interestingly, the bug occurs even
if you have every iptables table (including -t nat) completely empty
(no rules).  All that is required is iptable_nat simply to be loaded.

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netfilter regression causes lost pings "operation not permitted" Trevor Cordes <trevor@tecnopolis.ca> - 2016-12-07 09:20 +0100
  Re: netfilter regression causes lost pings "operation not  permitted" Trevor Cordes <trevor@tecnopolis.ca> - 2016-12-07 09:30 +0100

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