Hello, I am facing one problem while updating MAC OS. We have configured squid as proxy with user authentication NCSA. While updating MAC os on system squid log says TCP_DENIED/407. For connecting to internet for update it is asking for login and password but log says TCP_DENIED/400 1537 GET /content/catalogs/index-1.sucatalog testuser NONE/- text/html I have also open 443 port. Is anyone have idea ? How to resolv the problem..? Jigar __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com