[Shorewall-newbies] ADSL + NAT + dropped Connections

Julian Church jc at ljchurch.co.uk
Mon Dec 15 09:24:16 PST 2003

On Mon, 15 Dec 2003 16:33:53 +0800, Ow Mun Heng <ow.mun.heng at wdc.com> 

> Hi,
> Shorewall version 1.4.7
> iptables 1.2.7a
> RH9 + Kernel 2.4.23
> Problem Statement :
> Using adsl-start to commit connection to I-net.
> ppp0<->eth0 (labeled as dsl)
> eth1<->nat(to hub)
> NAT works fine and great when all is well.. Occasionally, shorewall(?) 
> will
> stop routing the nat connections.. I'm not sure why, but it will come up
> again when I do a -> sudo shorewall restart.
> Can I buy a clue here???

There may be a clue in the logs that shorewall generates.  Can you provide 
a relevant extract?

> ip is dynamic. Does it matter?

It might - if something goes wrong during DHCP lease renewal, the symptoms 
would be pretty much the same as you describe.


Julian Church

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