Dermot Buckley wrote:
> Hi all,
>> I have a new problem here which someone might be able to help me with. A
> Debian (2.2.19) system with an isdn dial-on-demand connection (pppd's
> 'demand' setting) which connects to indigo and acts as our internet gateway.
> All was working wonderfully for the last few months until I rebooted the
> system last Weds. Since then the system dials up ok, but the connection
> doesn't go down anymore (the idle setting is 360secs).
>> I did a little checking and it appears that broadcast packets from the isp
> are keeping the connection alive. The logs are full of these, one every
>> May 14 15:03:00 setanta kernel: Packet log: input - ppp0 PROTO=89
> 184.108.40.206:65535 220.127.116.11:65535 L=64 S=0xC0 I=52990 F=0x0000 T=1 (#29)
>> I gather these are to do with routing table updates, so I killed routed and
> restarted the connection but we're still getting the broadcasts.
>> Does anyone have any idea what triggers these broadcasts? I'm at a dead end
> here so all help appreciated.
IIRC it's SMB and Netbios packets as sent out from Windows PCs so you
may want to filter out against the appropriate ports.
Beware the fury of a patient man
- John Dryden
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