Firewall and new sasser worm

Kurt Wall kwall
Mon May 17 12:01:57 PDT 2004


In a 1.1K blaze of typing glory, Joel Hammer wrote:
> According to what I read, the Sasser worm scans port
> 445 tcp.  I run a firewall on my linux gateway box. It
> blocks almost all ports, including 445.
> 
> So, my windows laptop sitting behind the firewall should
> be safe, right?
> 
> Two questions:
> 
> 1. Why would anybody allow port 445 to be exposed on
> the internet?

Because it is a Microsoft directory services port?

> 2. What does the Sasser worm look like in a firewall
> log? I can't find any hits in my log on ports 445 since
> April 26th. In fact,  I have recorded no tcp hits in the
> 1:1023 range on my firewall in the last twelve hours.

No idea.

Kurt
-- 
Talk sense to a fool and he calls you foolish.
		-- Euripides



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