On Thu, Nov 28, 2013 at 2:12 PM, Brian J. Murrell <brian@xxxxxxxxxxxxxxx> wrote: > Is there any way with Squid3 to send back a 407 response when a request > is unauthenticated and the response fails to match any http_reply_access > rules? Hi Brian, Squid's authentication process is explained at http://wiki.squid-cache.org/Features/Authentication#How_does_Proxy_Authentication_work_in_Squid.3F You can find your answer there. Kinkie
