NO. I verified that Squid runs even if DNS is bad. -----Original Message----- From: Bilal J.Mahdi [mailto:bilalmahdi@xxxxxxxxx] Sent: Tuesday, January 25, 2011 10:02 PM To: Saurabh Agarwal Subject: RE: Squid with BAD DNS Server IP Squid will not run if the dns is wrong, that mean the dns will not resolved. Try to run the squid with command line and you will see. -----Original Message----- From: Saurabh Agarwal [mailto:Saurabh.Agarwal@xxxxxxxxxx] Sent: Tuesday, January 25, 2011 6:20 PM To: squid-users@xxxxxxxxxxxxxxx Subject: Squid with BAD DNS Server IP Hi All What If the DNS server IP address configured on the linux machine is wrong? Can Squid detect that the DNS configured is wrong? IS there some other way DNS IP address can be verified? Regards, Saurabh