Thanks Adrian it works! I could see that it shift to the other server when I manually shutdown squid. Now, this could be a harder (for a noob like me). What if I have 500 workstation, so I have to config each browser to use my new pac file, is there a way that this pac will eventually force all browser to use pac. Like blindly install pac on their browser when they go directly to port 80. Thanks -----Original Message----- From: Adrian Chadd [mailto:adrian@xxxxxxxxxxxxxxx] Sent: Friday, May 11, 2007 9:37 AM To: SSCR Internet Admin Cc: squid-users@xxxxxxxxxxxxxxx Subject: Re: proxy.pac config On Fri, May 11, 2007, SSCR Internet Admin wrote: > Hi, > > > > I wanted to ask if this is possible. Ive just installed a second squid > server and was wondering if I could create somewhat a loadbalancing without > using TCP-loadbalancer or HA by using a proxy.pac that is capable of > detecting a busy/failed server and connect to the next available proxy > server. > > > > Squid 1 > > Internet<----------+--------->Workstation(with proxy.pac) > > Squid 2 There's plenty of examples of proxy.pac file based load balancing and failover. Failover is easy, just give a number of entries in a list, ie: return "proxy1:3128; proxy2:3128" And to failover to direct, try: return "proxy1:3128; proxy2:3128; DIRECT" let me know if this doesn't work. Adrian -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean. -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean.
