Today I made rules on my NT4 VOPMail server box that only allowed certain ports to be listened to.
 
Although I had applied the patches from MS regarding the worm, I noticed that I was getting MANY hits on port 135.
 
Further, I was noticing in the logs that there were many network errors and people were calling me with errors they were experiencing.
 
I only allowed ports: 21, 25, 53, 80, 81, 110 on that box.
 
I no longer get those port 135 attacks and the connections to the server are back to normal but:
 
Now it appears that webmail doesn't work properly. I see in the config that it uses a port #31804
 
Does that need to be enabled?
 
Also, doesn't the java applet for the remconsole require port 106?
 
I would appreciate if anyone has an idea on the ports required for webmail and the remconsole app.
 
David Payer

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