> Please update to the stable release 3.2.1. > > With 3.2 you have "debug_options 11,2" which will produce a full > trace > of HTTP headers in cache.log which will greatly help understanding > why > the 502 occured. (careful about size and confidential info if this is > used on a production machine) > > I also suggest using the squid format for access.log, it includes > details such as the IP of the server which that 502 is related to. > > Amos > > Ok I found where is the problem I tried with PASSTHRU and all seems work cache_peer 10.x.x.x parent 3128 0 no-query login=PASSTHRU proxy-only no-digest no-netdb-exchange So the problem was with =PASS, like this bug Tue 2012-08-28 21:36:29 -0600 Amos Jeffries Regression: login=PASS send no credentials when none available. So now, The strange behavior was for users without problem, they navigates through squid although there is a bug No problem with 3.2.1 thank