Kristof Provost wrote on 2017/03/21 10:18:
On 21 Mar 2017, at 9:43, Marin Bernard wrote:
If there is no SA, it is impossible for a peer to ping another. As soon
as IKE creates a SA, however, ping starts working. As you can see,
the last rule is explicitely bound to the inexistent enc0 interface, and
yet is working fine.
Can you try without the enc0 rule? I suspect that what’s happening here
is that
the IPSec traffic is bypassing the firewall altogether. If that's the
case the
your traffic will still flow, even without the pass on enc0 rule.
If you want to filter on it it should work if you add ‘device enc’ to your
kernel config. The man page suggests that should then allow you to
filter IPSec
traffic on enc0.
Shouldn't it be included in GENERIC if IPSec is now part of it? It seems
illogical to build own kernel for IPsec if IPSec was included in GENERIC
for 11.0 ... but without enc.
Miroslav Lachman
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