[Snort-users] HTTP Protocol Analysis

Jason security at ...5028...
Fri May 14 07:20:10 EDT 2004


What kind of proxy do you have?

Sonika Malhotra wrote:

> Hello List,
> 
> I faced a recurrent problem in my network that any request to 
> www.google.com , www.rediff.com .. etc was getting redirected to 
> www.coolsavings.com.
> 
> So the http traffic dump was taken using Snort. ( logger mode of Snort)
> 
> The following was found in the HTTP session dump and it can be observed 
> that the reply packet had extra appended tags as follows
> 
> ... rediff Page contents....
> <HTML>
> <META HTTP-EQUIV=Refresh Content="0; URL=http://www.coolsavings.com">
> </HTML>
> 
> Now this page is cached at our proxy and so all the requests are 
> redirected to new url.
> 
> when we disable the caching at proxy the problem is taken care of, but 
> the mechanism of doing this is still not known.
> 
> I shall be grateful it anybody can explain this process.
> 
> Regards
> Sonika
> 
> 
> 
> 
> 
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