It's not my decision, but here's what the customer wants.

He has a 7.1 system running with a TrinityOS firewall between a DSL
line and about 20 computers.  This has worked well for many months.  The
customer wanted a developer to have PCAnywhere access to one of the
machines inside.  Did that, runs fine.

Now the customer needs a second PCAnywhere connection.  He didn't want
to require a registry hack to get PCA to go to a different port, so the
only other alternative is to setup a second outside IP number (we are
running a /24 mask so we have 5) and forward port 5631/2 to a different
inside number.  Did that, runs fine.

However, when we did that, all of a sudden he can't get virus updates
from McAfee.  All other surfing works, just the updates don't.

Bad thing to break, right?  After much testing, it all works if I take
ETH0:0 down.  If ETH0:0 is up, no updates.  I don't change the firewall
script or the routing, just take the interface down.

When I run TCPDUMP I see the request packets go back and forth to
clinic.mcafee.com right up to when they click on the Update button.  At
that point the packets go to deploy.akamaitechnologies.net but never
return.  The source address is ETH0:0 for all the packets.  

One other detail, the banner ads for Yahoo are VVVEEERRRRRRYYY slow in
loading.  Everything else works, just the ads.  And only those on the
Yahoo main page.  (Wierdness.)

Until I take ETH0:0 down.

Anyone have an idea for how to find out what the problem is, or even
how to fix it?

Thanx!



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