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Werner Joss wrote:
> Hi list,
> when sending mail via my router, I get the following lines in
> /var/log/messages:
>
> Jul 18 09:09:25 router kernel: Packet log: output REJECT ppp0 PROTO=1
> 62.96.171.27:3 62.96.128.34:3 L=108 S=0xC0 I=111 F=0x0000 T=255 (#34)
>
> anyhow, sending works most of the time (not always).
> my question is what PROTOCOl is PROTO=1 ?
> so I can try to setup the correct filter rule for this.
> thanks in advance
> werner
proto 1 is icmp (look at /etc/protocols).
3.3 is destination/port unreachable
don't change your rules. it's good not to allow
outgoing port unreachable (although you might as
well change the REJECT into a DENY) as it prevents
people from mapping your network.
raf
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