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Network Security Incidents
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Re: Increased activity on port 110

Subject: Re: Increased activity on port 110
Date: Mon, 26 Feb 2007 18:10:54 +0100
joakim.berge@gmail.com writes:

There has been a big increase in pop3 activity 25 Feb. Any idea what it is? New worm?

Define "activity": connects or real POP3? Better check with the POP3-Server or AUTH-Logs.


Check that there is no POP3 bruteforce attack running. Usually that is to find accounts which then could be abused for mail relaying.

Bye

Volker


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