Authentification: touch /var/log/squid/users htpasswd -b /var/log/squid/user username password
in Squid.conf
auth_param basic program /usr/lib/squid/ncsa_auth /var/log/squid/users auth_param basic children 5 auth_param basic realm Squid proxy-caching web server auth_param basic credentialsttl 2 hour
acl eth0 src 192.168.0.0/255.255.255.0 acl users proxy_auth REQUIRED
http_access allow eth0 user
and works fine good afternoon
