Hello, I tried to authenticate the user using squid but could not. I tried to do it reading in http://www.linuxdevcenter.com/lpt/a/1053 . Whenever I enter username and password, it doesn't get authenticated. The error message I am getting is ERROR Cache Access Denied --------------------------------------------------------------------- - While trying to retrieve the URL: http://www.google.com/ The following error was encountered:=20 a.. Cache Access Denied. Sorry, you are not currently allowed to request: http://www.google.com/from this cache until you have authenticated yourself. You need to use Netscape version 2.0 or greater, or Microsoft Internet Explorer 3.0, or an HTTP/1.1 compliant browser for this to work. Please contact the cache administrator if you have difficulties authenticating yourself or change your default password.=20 --------------------------------- I AM USING INTERNET EXPLORER VERSION 6. The error message I am getting in log is 112.404 968 203.78.160.19 TCP_DENIED/407 1437 POST http://www.google.com rupesh NONE/ - - where 'rupesh' is the user I created and I've allowed 203.78.160.19 in the access list. thank you with regards rupesh hope to hear... rupesh Rupes