RE: [squid-users] Transparent Proxy without being inline?

From: Henrik Nordstrom <[email protected]>
Date: Tue, 22 Mar 2005 23:12:56 +0100 (CET)

On Tue, 22 Mar 2005, John Cole wrote:

> I'm not as interested in blocking as I am in reporting.

If you only want reporting of who goes where when then sniffing the
traffic with a URL sniffer will quite likely do fine.

Some interesting sniffers for looking at web traffic flying by:

   ntop - lots of graphs, usage reports etc in general about the IP
traffic seen.
   <url:http://www.ntop.org>

   driftnet - show the images or MPEGs is being viewed by your users right
now
   <url:http://www.ex-parrot.com/~chris/driftnet/>

   dsniff - What urls, files emails etc is being seen on the wire?
   <url:http://www.monkey.org/~dugsong/dsniff/>

   ngrep - grep on your network traffic
   <url:http://ngrep.sourceforge.net/>

   ssldump - analyze (and decode if yours) SSL traffic

This is just a small collection of the sniffing tools I have found useful
over the years, apart from the pure packet sniffers like tcpdump or
ethereal. A more comprehensive list can be found here:
<url:http://www.stearns.org/doc/pcap-apps.html>

Regards
Henrik
Received on Tue Mar 22 2005 - 15:13:03 MST

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