On Mon, 15 Mar 2004, Tony wrote:

> Now, if I have this figured correctly, the bridge is transparent to your
> ISP, so you would need another host behind the bridge to have an
> address, correct?  The use I have in mind would be statically assigned.

It could also be dynamically assigned. Although the usual application of a
bridge/firewall would be BEHIND a local router. See
http://www.shorewall.net/bridge.html.

> Also, I would expect the bridge still to work without having an IP
> assigned to the bridge (if the only reason to have the IP is for
> management) if you connect via serial cable for management, right?

Please follow the progress of testing of the bridging code on the
Shorewall development list. It was recently reported that

>
> Finally, the firewalling aspect of the bridge only works in the FORWARD
> chain, right?  DNAT and SNAT and all that won't work correctly would
> it?

Well, DNAT and SNAT work but only within the confines of a bridge.
Remember that a bridge has no (or a trivial) routing table.

For example, I'm running Squid as a transparent proxy on my bridge. See
http://shorewall.net/myfiles.htm.

-Tom
--
Tom Eastep    \ Nothing is foolproof to a sufficiently talented fool
Shoreline,     \ http://shorewall.net
Washington USA  \ [EMAIL PROTECTED]


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