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[K12OSN] port blocking

Subject: [K12OSN] port blocking
From: "Jim Anderson"
Date: Tue, 8 Apr 2008 23:58:40 -0400
Hello all,

I'm running K12LTSP v.5 in a computer lab that includes 2 Windows clients hanging off the internal network.  We've received notice from the ISP that suspicious activity is occurring from the server's outside IP address on three different ports.  How can I block those ports (I think the problem could be originating from the Windows 2000 machines).

Jim

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