Thanks a lot Kinkie. -Nipun On Mon, Aug 27, 2012 at 4:58 PM, Kinkie <gkinkie@xxxxxxxxx> wrote: > On Mon, Aug 27, 2012 at 1:03 PM, nipun_mlist Assam <nipunmlist@xxxxxxxxx> wrote: >> Hi All, >> >> In case of squid upstream proxy configuration, I frequently encounter >> a term "pinned connections". >> What does "pinned connection" mean ? > > Some authentication protocols (NTLM and IIRC Negotiate) associate a > status to a TCP connection. In order for them to work correctly > through proxies, the upstream TCP connection must be associated > permanently with the downlink connection, or authentication will be > unreliable. This association is, in squid jargon, named "pinning". > > -- > /kinkie -- Regards, Nipun Talukdar Bangalore