full-disclosure - HTTP request with SMTP message

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From: Valdis.Kletnieks at vt.edu (Valdis.Kletnieks@...edu)
Subject: HTTP request with SMTP message 

On Mon, 24 Nov 2003 16:25:30 GMT, Tiago Halm <thalm@...cabo.pt>  said:
> My IIS (port 80) received this HTTP request from x.x.x.x.
> 
> Any thoughts ?

> POST http://x.x.x.x:25/ HTTP/1.1

Somebody's probing to see if you're an open proxy to send spam through.
Chances are that a site that's got a open-proxy webserver (older Squid
releases had particular issues there), that they don't keep good logs and
the spammer can send a whole bunch of spam through without leaving much
of a useful trail....
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