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| Subject: | Re: DoS/DDoS on port 1863(MSN protocol) |
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| Date: | Mon, 27 Sep 2004 12:00:01 +0200 |
On Thu, Sep 23, 2004 at 01:01:05PM -0300, Diego Sebastián González wrote:
Too much SYNs are being sent from a lot of our Public IP Customers to 1863 port to MSN Servers.
Are you able to count (or limit) SYNs per IP per second or minute? I can't think of better general solution to this sort of problem other than detecting and blocking misbehaving customers (those that spread DoS, spam, viruses/worms and so on). Martin Mačok IT Security Consultant
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