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Full Discussion: General Proxy Question
Top Forums UNIX for Dummies Questions & Answers General Proxy Question Post 6982 by sam_pointer on Monday 17th of September 2001 10:09:46 AM
Old 09-17-2001
General Proxy Question

This is quite a general question:

I am trying to detect whether people accessing my network are using a proxy server. This is *not* to ensure that web pages are not cached!

The only way that I can think of doing this is to intercept at packet level and examine the source port for high-numbers. But even this is no guarantee. Humph.

Does anybody have any suggestions. The solution must be automated, ie. I can't rely on users filling out a form correctly!
 

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cachemgr.cgi(8) 					      System Manager's Manual						   cachemgr.cgi(8)

NAME
cachemgr.cgi - squid HTTP proxy manager interface SYNOPSIS
http://your.server/cgi-bin/cachemgr.cgi DESCRIPTION
The cache manager (cachemgr.cgi) is a CGI utility for displaying statistics about the Squid HTTP proxy process as it runs. The cache man- ager is a convenient way to manage the cache and view statistics without logging into the server. FILES
./cachemgr.conf @DEFAULT_CACHEMGR_CONFIG@ The access configuration file defining which Squid servers may be managed via this cachemgr.cgi program. Each line specifies a server:port followed by an optional description The server name may contain shell wildcard characters such as *, [] etc. A quick selection dropdown menu is automatically con- structed from the simple server names. Specifying :port is optional. If not specified then the default proxy port is assumed. :* or :any matches any port on the target server. SECURITY
cachemgr.cgi calls the requested server on the requested port using HTTP and returns a formatted version of the response. To avoid abuse it is recommended to configure your web server to restrict access to the cachemgr.cgi program. Configuration examples for many common web servers can be found in the Squid FAQ. SEE ALSO
squid(8) The Squid FAQ, Chapter 9 The Cache Manager Squid Web Proxy 3.1.20 cachemgr.cgi(8)
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