[Snort-sigs] False Positive for SID 2570

Matthew Jonkman matt at ...2436...
Sat Jun 26 20:54:01 EDT 2004


I'm seeing about the same. I see the same false if the traffic is being 
proxied by older bordermanager firewalls, and a few other unusual proxies.

Matt

Lutz Schildt wrote:

> Hi there,
> 
>  
> 
> Since a few days I keep getting false positives for SID 2570. The payload
> 
> Of the packets always looks like the following. I have cut off the not so
> 
> Interesting part. Every alert seems to be triggered if the Traffic-Server
> 
> Proxy is used.
> 
>  
> 
>> >>> snip <<<<
> 
> 000 : 47 45 54 20 2F 20 48 54 54 50 2F 31 2E 30 0D 0A   GET / HTTP/1.0..
> 
> 010 : 41 63 63 65 70 74 3A 20 69 6D 61 67 65 2F 67 69   Accept: image/gi
> 
> ...
> 
> 160 : 76 65 0D 0A 56 69 61 3A 20 48 54 54 50 2F 31 2E   ve..Via: HTTP/1.
> 
> 170 : 31 20 70 72 6F 78 79 5B 41 43 31 45 31 37 34 39   1 proxy[AC1E1749
> 
> 180 : 5D 20 28 54 72 61 66 66 69 63 2D 53 65 72 76 65   ] (Traffic-Serve
> 
> 190 : 72 2F 35 2E 35 2E 31 2D 35 39 30 39 36 20 5B 75   r/5.5.1-59096 [u
> 
> 1a0 : 53 63 4D 5D 29 0D 0A 0D 0A                        ScM])....
> 
>> >>> snip <<<<
> 
>  
> 
> Best Regards
> 
>  
> 
> Lutz Schildt
> 
> ---
> mcb multimedia-centrum bremerhaven GmbH
> Schifferstraße 10 - 14
> D-27568 Bremerhaven
> 
> www http://www.mcb-bremerhaven.de <http://www.mcb-bremerhaven.de/>
> mail _ls at ...2172... <mailto:ls at ...2172...>__ _
> tel 0471 92626 12
> fax 0471 92626 17
> 
>  
> 

-- 
--------------------------------------------
Matthew Jonkman, CISSP
Senior Security Engineer
Infotex
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