Squid Web Proxy and Cache Server

Tutorials, howtos, and tips about Squid web proxy and cache software under *nix. It includes a wide variety of uses, from speeding up a web server by caching repeated requests; to caching web, DNS and other computer network lookups for a group of people sharing network resources; to aiding security by filtering traffic ( rss feed )

How do I clear squid cache? How do I re-create the cache directories on a server where Squid version 3.x is currently running in Linux or Unix based server?

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I have Squid caching proxy server deployed on Rackspace based server in UK. This server has four IP address. I would like to change outgoing IP addresses from default 1.2.3.1 to 1.2.3.4. How do I change proxy server outgoing IP address under Linux or Unix operating systems?

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My proxy server password has special characters such as !,@, and so on. How do I set and export the variable called http_proxy or HTTP_PROXY when password has special characters under Unix like operating systems?

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How can I test a Proxy PAC file syntax under Apple OS X / Linux / *BSD or Unix like operating systems using command line options?

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I would like to use the squid proxy server only for one domain called foo.example.com. How do I auto-configuring proxy settings with a PAC file to hide one domain and connect everything else directly? How do I specify a URL in a PAC file to bypass proxy server? How do I create exceptions using a PAC file?

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I have Pandora Internet Radio One subscription, and recently I moved to Europe for a few months as part of my work schedule. The service fully available only in the United States. How do I access Pandora one service in Europe? Can I get around it by using a proxy server installed on my own server located in USA at home or ISP data center?

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How do I install and configure SquidGuard – a web filter plugin for Squid to restrict access to domains/URLs based upon access control lists? How do I block porn, gambling, and other web-sites using squid proxy server version 3.x under Debian or Ubuntu Linux server for my school?

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