Re: Trouble with HTTP status message rule

["Rodrigo Montoro(Sp0oKeR)" <spooker () gmail com>]

Hi there,

Flow needs to be from_server since it's a server response.

Hope it helps!

On Thu, Mar 12, 2015 at 6:57 PM, Research <research () nativemethods com>
wrote:

> Hello,
>
> I am currently writing a rather basic rule to track 404 resource not found
> instances in Snort on a web server.  While I am aware that the logs for the
> web server process themselves track this, I’d like to generate a Snort rule
> that does the same for some testing.
>
> Currently my rule is:
>
> alert tcp $EXTERNAL_NET any -> $HOME_NET $HTTP_PORTS \
>          (msg: "Web resource not found";
> flow:established,to_server; content:"404"; http_stat_code; priority:4;
> sid:2000110; rev:001;)
>
> I have used the http_stat_code modifier for the content, but when I
> attempt to locate a non-existent resource:
>
> http://mywebserver.com/notthere
>
> …the rule does not fire.
>
> I was wondering what I am missing.
>
> Thanks
>
>
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-- 
Rodrigo Montoro (Sp0oKeR)
http://spookerlabs.blogspot.com
http://www.twitter.com/spookerlabs
http://www.linkedin.com/in/spooker

------------------------------------------------------------------------------
Dive into the World of Parallel Programming The Go Parallel Website, sponsored
by Intel and developed in partnership with Slashdot Media, is your hub for all
things parallel software development, from weekly thought leadership blogs to
news, videos, case studies, tutorials and more. Take a look and join the 
conversation now. http://goparallel.sourceforge.net/

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