Hi, > In my current scenarion my Squid box has only one NIC > and it is behind PIX firewall , its local ip > 172.16.100.12 is mapped with real ip so that it can > get internet access. So its internet and interanet > communication is held vi signle LAN card. On pix there > is ni filter for pix. > > So is there any special configuration to be made at > PIX end so that it should allow squid to work in > transparent mode. Does the squid box itself have internet access? Can you telnet to for example www.google.com:80? Please post your PIX configuration then we can help you. Best regards, Christian