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Network Security Snort-Signatures
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Re: [Snort-sigs] testing snort signature with uri content

Subject: Re: [Snort-sigs] testing snort signature with uri content
Date: Wed, 13 Feb 2008 09:34:34 -0500
I would first look at your directional statements. How do you have $HTTP_SERVERS configured? It is pointing towards $HOME_NET? Is your $HOME_NET filled in?

How about $EXTERNAL_NET?  How is that variable configured?

J

On Feb 13, 2008, at 5:49 AM, MD B Zaman L wrote:

Greetings All,

I am a new user of snort . I am finding some difficulty in using the snort signatures with uri content.

I have created my own snort signature as follows to test for uri content.

alert tcp $EXTERNAL_NET any -> $HTTP_SERVERS 80 (msg:"uri content testing successful "; flow:to_server,established; uricontent:"/server-info";
sid:1000007; )



After that I tried to access the webpage http://<http_server>/ server-info and verified with ethereal whether the content /server- info is generated or not.
Ethereal was showing that the content was generated.


     But no alert was fired for the  above written signature .

     Please clarify me how to test signatures with uri content.

Snort is working fine as I have checked with other signatures with no uricontent.

       With Thanks in Advance

    regards
    zaman






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