Squid related tutorial/FAQ

How to find out why squid proxy exited due to signal 9 with status 0

February 4, 2017February 4, 2017in Debian / Ubuntu, Linux, Squid, Troubleshooting, Ubuntu Linux last updated February 4, 2017

I am getting an error that read as “The proxy server is refusing connections.” I am using Squid 3 with Ubuntu Linux 16.04 LTS server and how can I find out why my squid proxy server died unexpectedly?

HowTo Block Internet Explorer Browser With Squid Proxy Server on a Linux/Unix Server

May 3, 2015May 4, 2015in Linux, Squid, UNIX last updated May 4, 2015

I want to block Internet Explorer (MS-IE) browser on a squid proxy server running on a Linux or Unix-like systems. How can I block IE on a squid proxy server version 3.x?
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Clear Squid Proxy Cache And Re-create the Cache Directories

August 25, 2013November 15, 2013in Linux, Squid, UNIX last updated November 15, 2013

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?

Squid Proxy Server Change Outgoing IP Address

January 15, 2013in Linux, Squid, UNIX last updated January 15, 2013

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?

Set/Export: http_proxy With Special Characters In Password Under Unix / Linux

December 4, 2012December 4, 2012in BASH Shell, Linux, Squid, UNIX last updated December 4, 2012

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?

HowTo: Test a Proxy PAC File Syntax With Syntax Checker

November 20, 2012November 20, 2012in Linux, Squid, UNIX last updated November 20, 2012

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

HowTo: Use Auto Config Proxy PAC File For Specific Domain

November 20, 2012November 20, 2012in Squid last updated November 20, 2012

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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