Hi , I run squid 2.5 on solaris 10 platform. it has run about 1 month. but today it always prompt to login to proxy. I must login to proxy many times even during 1 webpage access. /etc/squid.conf: auth_param basic program /opt/sun/squid2.5/libexec/ncsa_auth /opt/sun/squid2.5/etc/passwd auth_param basic children 50 auth_param basic realm GMCC Proxy Server auth_param basic credentialsttl 2 hours auth_param basic casesensitive off Thanks __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com