The most knowledged revered Sirs/ Madams, With your kind guidance I have succeeded in running two instances of Squid. My Firewall does not allow SquidNT-2.6.STABLE13 to start on. If I want to start/ reconfigure/ restart/ rotate Squid,I have to quit my firewall so that Squid can start. How do I allow inbuilt dnsserver process of Squid to access my ISP's dns servers? In Squid 2.4 there was a dnsserver.exe which was allowed access in Firewall rules and everything was fine. I have presently configured my firewall to Squid.exe outbound access to port TCP 8080, 3128 and 80-83, SOCKS, https and UDP ports 1026 and 53. Please suggest a solution so that I do not have to stop my firewall every time I have to restart Squid. Regards Santosh Rani