Dear all on the configure have a option "--enable-ntlm-fail-open" can any one tell me and explain what is it.. when i use auth_param ntlm program /usr/bin/ntlm_auth --helper-protocol=squid-2.5-ntlmssp or auth_param ntlm program /usr/lib/squid/ntlm_auth or auth_param basic program /usr/bin/ntlm_auth --helper-protocol=squid-2.5-basic what are different on that auth method.. even have some explain .. but i still understand ... ============================================= Enable NTLM fail open, where a helper that fails one of the Authentication steps can allow squid to still authenticate the user. ============================================ help me .. thank you