Squid-2.5 features (ctd) Authentication system / Authentication helper changes Robert/Kinkie/Henrik have nearly rewritten the system Authentication helpers are now broken up into modules Squid-2.5 supports both basic and digest request authentication Squid-2.5 comes with plugins for NCSA htpasswd-style files getpwnam (unix) YP/NIS A few Windows-authentication (NTLM, SMB, multi-domain-NTLM) PAM LDAP