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RE: Tool to find hidden web proxy server
From: "Gary E. Miller" <gem () rellim com>
Date: Thu, 2 Sep 2004 13:39:54 -0700 (PDT)

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Yo Robert!

On Thu, 2 Sep 2004, Burnett, Robert wrote:

If you span a port on your internal switch (assuming you have an interna
l switch) and sniff all traffic traveling through it, you could ngrep fo
r HTTP CONNECT requests.  This would detect connections to the proxy ser
vers.

Unless:

1. The proxy traffic is using trivial encryption, like https, ssh,
openvpn, socks/ssl, etc.  Then all you will sniff is gibberish.

2. The proxy traffic is going around your firewall using POTS, Cell
Phone, CPDP, Wi-Fi, etc.

RGDS
GARY
- ---------------------------------------------------------------------------
Gary E. Miller Rellim 20340 Empire Blvd, Suite E-3, Bend, OR 97701
        gem () rellim com  Tel:+1(541)382-8588 Fax: +1(541)382-8676

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