ipfw: reset tcp

Eugene Grosbein eugen at grosbein.pp.ru
Thu May 13 06:55:44 PDT 2004

On Thu, May 13, 2004 at 06:48:56AM -0700, Luigi Rizzo wrote:

> 2.- all other firewall-generated TCP packets (rst and keepalives)
>   go through send_pkt() and then bypass the firewall.
>   The only way we could safely go through the firewall again is
>   to make sure that we never send a RST in response to a RST (need
>   to add an additional check in O_REJECT).
> Give me a few days (i.e. ping me again on monday!) to come up with
> a safe patch to do this, which does not rely on the programmer to
> DTRT and avoid loops.

Thanks a lot!


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