If the Browsers are IE you need to disable automatic proxy caching. See http://support.microsoft.com/?kbid=271361 Kind Regards Jeff Smith --- Raj <sunfire2005@xxxxxxxxx> wrote: > Hi all, > > I am running squid version 2.5.stable10. All the > users use the > following proxy.pac file (browser pointing to the > following proxy.pac > file). > > p3 = "PROXY proxy03.domain.com:3128"; > p4 = "PROXY proxy04.domain.com:3128"; > > p34 = p3 + "; " + p4; > p43 = p4 + "; " + p3; > > function FindProxyForURL(url, host) > { > // All unqualified host names are to go via the > GAN (no proxy ) > if (isPlainHostName(host)) return "DIRECT"; > > // Any "direct" LAN IP connections are allowed > if (shExpMatch(url, "*://172.*") || > shExpMatch(url, "*://10.*") || > shExpMatch(url, "*://192.168.*") || > shExpMatch(url, "*://127.0.0.1*")) return > "DIRECT"; > > > // Assign Proxy based on IP Address of Client > // VLAN's 96 --> 111 > if (isInNet(myIpAddress(), "172.26.96.0", > "255.255.240.0")) return p34; > > > // VLAN's 112 --> 128 > if (isInNet(myIpAddress(), "172.26.112.0", > "255.255.240.0")) return p43; > > else > return p34; > } > > > All the users from 172.26.96.0 - 172.26.111.0 subnet > goes to > proxy03.domain.com first. If proxy03 is down the > client should > automatically try proxy04.domain.com. But that's not > happening. If > proxy03 is down, the clients are not failing over to > proxy04. Is there > any syntax error in p34. > > Should I have some thing like this to work. > > if (isInNet(myIpAddress(), "172.26.96.0", > "255.255.240.0")) > > return "PROXY proxy03.domain.com:3128; PROXY > proxy04.domain.com:3128; > > Or can I add the following 'A' records to my DNS > server > > proxy IN A 172.16.0.1 ; IP address of proxy03 > IN A 172.16.0.2 ; IP address of > proxy04 > > and > > in the proxy.pac file > > if (isInNet(myIpAddress(), "172.26.96.0", > "255.255.240.0")) > > return "PROXY proxy.domain.com:3128; > > Any suggestions would be really appreciated. > > Thanks > __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com
