hello list, i' running squid on centos 4.2 and works excellent most of the time, but now i've run into a problem with one site: http://www.top-versichert.at the main-page loads, but if i klick on one of the menus on the left (e.g: auto, risiko, leben) i get the following error: ERROR The requested URL could not be retrieved -------------------------------------------------------------------------------- While trying to process the request: GET /plattform.nsf/Eigenheim_01?OpenForm HTTP/1.1 Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/vnd.ms-powerpoint, application/vnd.ms-excel, application/msword, */* Accept-Language: de Accept-Encoding: gzip, deflate If-Modified-Since: Mon, 06 Feb 2006 13:16:25 GMT; length=3774 User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.0.3705; .NET CLR 2.0.50727) Host: www.top-versichert.at Proxy-Connection: Keep-Alive The following error was encountered: Invalid Response The HTTP Response message received from the contacted server could not be understood or was otherwise malformed. Please contact the site operator. Your cache administrator may be able to provide you with more details about the exact nature of the problem if needed. in the cache.log following error shows up: 2006/02/06 15:57:52| ctx: enter level 0: 'http://www.top-versichert.at/plattform.nsf/Eigenheim_01?OpenForm' 2006/02/06 15:57:52| WARNING: unparseable HTTP header field near {<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <META http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> <link href="/tva/resources.nsf/tva.css" rel="stylesheet" type="text/css"> <script language="JavaScript" type="text/javascript"> <!-- var path; // --> </script> } if try to download a page with wget: C:\>wget -Y On http://www.top-versichert.at/plattform.nsf/Eigenheim_01?OpenForm --15:28:24-- http://www.top-versichert.at/plattform.nsf/Eigenheim_01?OpenForm => `Eigenheim_01@xxxxxxxxxx' Resolving proxy... x.x.x.x Connecting to proxy|x.x.x.x|:80... connected. Proxy request sent, awaiting response... 502 Bad Gateway 15:28:24 ERROR 502: Bad Gateway. now the funny/strange thing: if i refresh the page, sometimes it shows up. i really don't know anymore what to do. any ideas? thx, stefan