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Restricting IP Addresses with the GWIA
Problem
A Forum reader recently asked:
"I have a server beween my GWIA (7.0.2) and the Internet that does anti-virus/anti-spam. How do I restrict GWIA so that it only accepts SMTP from this server instead of from wide-open sources?"
And here is the response from Bob Mahar ...
Solution
- On NetWare: Enable IP filter support in INETCFG and filter SMTP access except for the allowed address.
- On Windows: Enable the firewall and allow SMTP from the allowed address.
- On Linux: Use IPchains or whatever from the allowed address.
You get the idea. Or, you could use a real firewall upstream as well.
Disclaimer: As with everything else at Cool Solutions, this content is definitely not supported by Novell (so don't even think of calling Support if you try something and it blows up).
It was contributed by a community member and is published "as is." It seems to have worked for at least one person, and might work for you. But please be sure to test, test, test before you do anything drastic with it.
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