Have made significant progress since Dan and Tom posted some tips.
I have set the internal interface to a RFC1918 ip and the external to a
x.y.z.3 with gw=x.y.z.1.
I have managed to get the firewall going happily enough by using shorewalls
ProxyARP but I was wondering about Toms suggestion of using :
echo 1 > /proc/sys/net/ipv4/config/all/proxy_arp
to work for all machines behind the firewall.
I did this and then replaced the route for 134.36.22. addresses to use the
internal interface rather than the external interface but wasnt able to see
in or out of the firewall.
Its not really a problem to list the machines in the ProxyARP file I was just
curious.
Cheers for the help,
Jonathan
--
Dr Jonathan Monk, Dundee Satellite Receiving Station
University of Dundee, Dundee, DD1 4HN
tel: 44 (0)1382 344409 fax: 44 (0)1382 345415
e-mail [EMAIL PROTECTED] http://www.sat.dundee.ac.uk
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