Hi Gaven, >Hi Ralph, >I'll add a couple of thoughts, but not really an answer. >On Tue, 14 Jul 2009, Jarosch, Ralph wrote: >> If I connect from an branch office with the subnet 10.37.34.*/24 to an https website i´ve no Problems. >> If I do the same from another location with an subnet like 10.39.85.*/24 I get the following error message. >Presumably you're using the same URL to test in both places and the same >proxy settings? Yes this is correct same Url on both location >I'll note in passing that you're running a very ancient version of squid > (2.5.STABLE12). I doubt an upgrade would fix your problem, but at some >point, you should consider an upgrade nonetheless. The Problem is that Redhat only Supports Squid 2.5./12 >> The requested URL could not be retrieved >> -------------------------------------------------------------------------------- >> While trying to retrieve the URL: http.yyy.xxx:443 >> The following error was encountered: >> Unable to determine IP address from host name for >> The dnsserver returned: >> Name Error: The domain name does not exist. >> This means that: >> The cache was not able to resolve the hostname presented in the URL. >> Check if the address is correct. >> Your cache administrator is webmaster. >> -------------------------------------------------------------------------------- >> Generated Tue, 14 Jul 2009 08:10:39 GMT by xxxxxxx (squid/2.5.STABLE12) >> >> The requester url was https://www.ebay.com >It's a little odd that you removed the URL from the output, only to tell us >it afterward, but how and ever. Also, you've removed the name of the web >proxy that generated the error, which is a little unhelpful as you appear >to have 5 proxy servers. Ok yyy.xxx is the FQDN from our local domain. >What the above error tells you is that the squid web proxy couldn't get a >DNS response for the site you wanted to go to, ie Ok I know The response come from the parent proxy of the cache_peers >" The cache was not able to resolve the hostname presented in the URL." >It seems surprising that that problem would happen in a repeatable way that >affected one client but not another. Absolutely. It is absolute crazy that all class c networks which are 10.37 works fine an all other class c that have addresses like 10.59, 10.39 10.61 doesn't work. >I note that you have several parent cache peers: >> cache_peer 10.37.132.5 parent 3128 7 no-query proxy-only no-digest sourcehash >> cache_peer 10.37.132.6 parent 3128 7 no-query proxy-only no-digest sourcehash >> cache_peer 10.37.132.7 parent 3128 7 no-query proxy-only no-digest sourcehash >> cache_peer 10.37.132.8 parent 3128 7 no-query proxy-only no-digest sourcehash >I wonder could it be that only one of the cache peers is having DNS issues? >Could you point a browser directly at each individual parent cache and see >can you get the webpage you're looking for. No its happens on all cache_proxy´s >Gavin Ralph