>Hi Bruce,
>
>Well I don't know about the general situation but in my case Chello
>could very easily tell that I am using a proxy server.
>
>If I run this whois web interface:
>http://www.leader.ru/secure/who.html
>
>...I receive this output:
>Remote address 203.109.252.15
>SQUID-like proxy servers detected 2
>Nearest client for this type of proxy 192.168.100.11
>Name of the nearest proxy Proxy+
>Type of the nearest proxy v2.30 http://www.proxyplus.cz
>The client's address we got 192.168.100.11
>You're probably sitting on the LAN connected to the NAT/Proxy
>NAT address we got p57-tnt2.akl.ihug.co.nz
>Browser MSIE v5.X
>OS Windows NT

Pretty cool site. Very impressive results.

However, I *think* it's getting virtually everything from your web broswer
and that this method will only work if you can persuade someone at the site
to hit your web site *NOT* just by randomly probing at sites.

Let's see...

yep. I just hit it from Netscape on the gateway machine, instead of from
the Mac. Sure enough the list of information was about five times shorter,
was only things that you'd expect to be public knowledge given your IP
number, and in particular there was no stuff about proxies, no internal
network IP numbers.

-- bruce

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Received on Fri Apr 7 22:01:24 2000