[Olsr-dev] Asymmetric ipip not working

Markus Kittenberger (spam-protected)
Mon Apr 26 10:06:04 CEST 2010


imho the freifunkfirmware smartgwserver should add some frewall rules, to
protect itself against the tunl0 interface

to accept only ipip packets from the mesh, and also allow traffic from tunl0
to go to the ADSL

as the smartgwtunl is (by the client) (in theory) only used to reach the
internet,..

Markus

On Mon, Apr 26, 2010 at 9:25 AM, Henning Rogge <
(spam-protected)> wrote:

> On Mon April 26 2010 08:57:27 Sven-Ola Tuecke wrote:
> > And one more: I need to re-check the security implications. Suppose you
> do
> > a telnet 127.0.0.1 which is encapsulated in ipip or something similar.
> > Your firewall may be surprised (even if that simple telnet does not
> > work)...
> Maybe there should be an additional firewall rule for traffic coming out of
> the
> generic tunnel-endpoint to block this ?
>
> Henning Rogge
>
> --
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