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Groups > linux.debian.kernel > #57571

Bug#859611: linux-image-4.9.0-0.bpo.2-amd64: ipsec gre tunnel not receiving packets

From Russell Stuart <russell-debian@stuart.id.au>
Newsgroups linux.debian.bugs.dist, linux.debian.kernel
Subject Bug#859611: linux-image-4.9.0-0.bpo.2-amd64: ipsec gre tunnel not receiving packets
Date 2017-04-18 13:30 +0200
Message-ID <txzuy-5A7-17@gated-at.bofh.it> (permalink)
References <tsONz-kg-7@gated-at.bofh.it> <ttI3o-3uy-21@gated-at.bofh.it>
Organization linux.* mail to news gateway

Cross-posted to 2 groups.

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Sorry, I missed your reply.

On Fri, 2017-04-07 at 20:40 +0100, Ben Hutchings wrote:
> Does the affected system have a firewall?

Yes, it does.

>   If so, you might need to
> load nf_conntrack_proto_gre explicitly now (explained in
> <https://home.regit.org/netfilter-en/secure-use-of-helpers/>).
> Although it isn't obvious why only some of the GRE tunnels would be
> affected.

As it happens I load all nf_conntrack modules at boot so they are
available to containers.  I've just checked, nf_conntrack_proto_gre is
definitely loaded.

I'll try it again with 4.9.18.

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Thread

Bug#859611: linux-image-4.9.0-0.bpo.2-amd64: ipsec gre tunnel not receiving packets Ben Hutchings <ben@decadent.org.uk> - 2017-04-07 21:50 +0200
  Bug#859611: linux-image-4.9.0-0.bpo.2-amd64: ipsec gre tunnel not receiving packets Russell Stuart <russell-debian@stuart.id.au> - 2017-04-18 13:30 +0200
    Bug#859611: linux-image-4.9.0-0.bpo.2-amd64: ipsec gre tunnel not receiving packets Russell Stuart <russell-debian@stuart.id.au> - 2017-04-19 14:00 +0200

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