We need to know which version of varnish.
Which exact version of IE7? Does the page call external components? Anything https? Are the back ends the same? Is there a load balancer? Stefan Caunter Operations Torstar Digital m: (416) 561-4871 From: [email protected] [mailto:[email protected]] On Behalf Of Bacion, Ray Sent: February-03-11 2:01 PM To: '[email protected]' Cc: OA.Lampadmins Subject: Varnish not completely loading page from IE 7 browser Hello, we have installed Varnish on one of our RedHat 5 Linux machines. I have pasted the configuration below. I did remove the real hostnames and IP addresses from the configuration. The configuration works fine with Mozilla for sites I have defined, but on IE 7 the "hostname1" site does not completely load. I see the favicon.ico and the title of the page, but the site continues to load without completing or sometimes completing after a long time (minute plus) to load. The second site "shared_73_165" loads just fine. Please note a week ago I had the same sites defined, but IE had problems loading the "shared_73_165" site but loaded the "hostname1" site just fine. I assume there is some slight difference in the configuration between this week and last to make this change occur, but I don't know what it would be. Mozilla has always loaded both sites fine. I am having trouble identifying the root cause of the problem. Can anyone help me with trying to determine why IE 7 is taking so long to complete the loading of the page if it completes at all? I can also add that a when I look at the varnishncsa output I see that with IE 7 that not all of the elements on the HTML page are being requested, but through Mozilla I do see all the requests. I can also tell you both sites work fine if I bypass Varnish. It also does appear that IE 8 has the same issue although I have not tested with it as much as I have IE 7. Any help that someone can provide would be appreciated? backend hostname1 { .host="xxx.xxx.xxx.xxx";.port="80";.max_connections=200;.connect_timeout =10s;.first_byte_timeout=10s; .between_bytes_timeout=10s; } backend shared_73_165 { .host="xxx.xxx.xxx.xxx";.port="80";.max_connections=200;.connect_timeout =10s;.first_byte_timeout=10s; .between_bytes_timeout=10s; } sub vcl_recv { # Set Backend Server if (req.http.host ~ "^hostname1.com" || req.http.host ~ "^test.hostname1.com") { set req.backend = hostname1; } else { set req.backend = shared_73_165; } # Set HTTP Header NS-Client-IP so Apache can log client's IP address. set req.http.NS-Client-IP = client.ip; # If HTTP Header Cache-Contro="no-cache" then purge any cache page that may exist for that URL and pass request on. if (req.http.Cache-Control ~ "no-cache") { purge_url(req.url); return(pass); } # If request is not a valid HTTP Method pipe it to the backend it is not cacheable. if (req.request!="GET" && req.request!="HEAD" && req.request!="PUT" && req.request!="POST" && req.request!="TRACE" && req.request!="OPTIONS" && req.request!="DELETE") { return (pipe); } /*Non-RFC2616*/ # If request is not a GET or a HEAD then pass it through since its not cacheable. if (req.request!="GET" || req.request!="HEAD") { return (pass); } # Unset cookies on Drupal specific files that should be cached. if (req.url ~ "^/(files|misc|sites|themes|modules)/" || req.url ~ "\.(txt|ico)$") { unset req.http.Cookie; } # If request requires Authentication or has a Cookie then it is not cacheable. if (req.http.Authorization || req.http.Cookie) { return (pass); } # Normalize and compress content if Encoding starts with gzip or defalte but do not compress binary files. # @see: http://varnish.projects.linpro.no/wiki/FAQ/Compression if (req.http.Accept-Encoding) { if (req.url ~ "\.(jpg|png|gif|gz|tgz|bz2|tbz|mp3|ogg)$") { remove req.http.Accept-Encoding; } elsif (req.http.Accept-Encoding ~ "gzip") {set req.http.Accept-Encoding = "gzip"; } elsif (req.http.Accept-Encoding ~ "deflate"){set req.http.Accept-Encoding = "deflate"; } else {unset req.http.Accept-Encoding; } } # If requested page is currently being processed on another thread to a backend server, server cached page if its not older than 30s. set req.grace = 30s; # Fall back to the default vcl_recv which will call the return(lookup); } sub vcl_pipe { set req.http.connection = "close"; # Fall back to the default vcl_pipe which will call return(pipe); } sub vcl_fetch { # If the response from the backend is not a 200, 203, 300, 301, 302, 404 or 410. if (!beresp.cacheable) { return (pass); } } -------------------------------------------------------- Raymond Bacion ITSD Operating System Group Phone: (573) 522-1468 Fax : (573) 522-1384 Email: [email protected] -------------------------------------------------------
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