On 14/02/2014 11:35 p.m., Dmitry Melekhov wrote: > OK, finally, I found that problem is it tls. > > As I see in firefox 27.0 tls 1.1 and 1.2 are enabled by default. > > So if I change security.tls.version.max from default 3 ( I guess this > means 1.2 ) to 1 ( 1.0 ? ) site works. > 2 (1.1? ) doesn't work too. >From the RFC: " This document describes TLS Version 1.2, which uses the version { 3, 3 }. The version value 3.3 is historical, deriving from the use of {3, 1} for TLS 1.0. " ... and 1.x and 2.x for the older SSL protocols. > > Just because firefox 27.0 works without proxy, I guess there is problem > with tls 1.1/1.2 in squid. > I'm right? :-) If yes- is there any way to fix squid? NO. Squid has nothing to do with the TLS in these requests. All Squid is doing is relaying the bytes to the web server. I think the behaviour means the web server only supports SSL, not TLS. Nasty but it happens sometimes. Amos