Squid configuration examples (ctd) Proxy authentication - basic authentication example ; configure the basic authentication helper auth_param basic program /home/squid/run/bin/ncsa_auth /home/squid/run/etc/passwd auth_param basic children 5 auth_param basic realm Squid proxy-caching web server auth_param basic credentialsttl 2 hours ; Create an ACL for authenticating users acl basicusers proxy_auth REQUIRED ; Allow authenticated users only http_access allow all basicusers ; allow all users to fetch misses ; note that you can't authenticate a second time - and only users that pass ; http_access will be able to get to miss_access miss_access allow all