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Network Security Snort-Signatures
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Re: [Snort-sigs] edonkey rules

Subject: Re: [Snort-sigs] edonkey rules
Date: Fri, 24 Sep 2004 07:41:32 -0500
The false positives were pretty high with the port range not controlled. That's what drove that decision if I recall.

Matt

Chich Thierry wrote:

Hello,

I am just reading the rules 2000330-2000333 proposed in the bleeding-edge ruleset.

I believe it is a mistake to limit the destination ports to 4660:4799.
A lot of edonkey server are using other ports. If you use the rules only
for detection, it is enough, because edonkey clients will use a list of servers
that will contain servers using the classical ports.


But if you are using these rules in order to kill the connections, the efficiency will be greatly
improved by using any instead of 4660:4799.


Thierry


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