I'd try to make the backend generate a valid http response instead. What kind of web-server is it?
Stefan 2014-11-17 10:50 GMT+01:00 Blomme Dieter <dieter.blo...@digipolis.be>: > We have fixed this problem temporarily. What I've noticed is that the > header isn't there and inserting it (e.g. with burp or fiddler), fixes the > problem. I've then tried to insert the header in the vhost that acts as a > proxy, but the header didn't appear. I think that mod_proxy strips that > header as the last part of the request. > > We've now fixed the problem by making sure our load balancer enforces http > 1.0 for the requests that were problematic. Later on we'll take another > look at this problem when we have more time. > > Thans Stefan for the hint! ;) > > kind regards, > > On 13 Nov 2014, at 19:08, Blomme Dieter <dieter.blo...@digipolis.be> > wrote: > > > Yes, but I thought that if that header is missing, it should still check > if the data is chunked, is that incorrect? > > > >> On 13 Nov 2014, at 18:52, Stefan Magnus Landrø <stefan.lan...@gmail.com> > wrote: > >> > >> The transfer encoding header is missing, right? > >> > >> Sendt fra min iPhone > >> > >>> Den 13. nov. 2014 kl. 18.13 skrev Blomme Dieter < > dieter.blo...@digipolis.be>: > >>> > >>> Hi, > >>> > >>> We have a problem with mod_proxy and chunked content. > >>> We use mod_proxy to selectively request pages from a second site, the > ProxyPass and ProxyPassReverse statements are in the vhost file. Nearly all > requests are OK, Except for one type of request which can't be handled > properly. We use SAML SSO and upon logging out, the response from a > simplesaml service provider is not correct. It is chunked, but is not > parseable. The problem is the chunk part within the SAML Response. This is > also visible in the response (see below). I have googled this and searched > Apache's bugzilla, but there is no solution I've tried that works. > >>> Not forcing http1.0, sendcl, ... > >>> > >>> Can anybody please help with this issue? > >>> > >>> Thanks very much in advance! > >>> > >>> > >>> HTTP/1.1 200 OK > >>> Date: Thu, 13 Nov 2014 16:23:02 GMT > >>> Server: Apache/2.2.15 (Red Hat) > >>> X-Powered-By: PHP/5.3.3 > >>> X-Robots-Tag: noindex,noarchive > >>> Content-Type: text/html; charset=UTF-8 > >>> X-Robots-Tag: noindex,noarchive > >>> Keep-Alive: timeout=5, max=100 > >>> Connection: Keep-Alive > >>> Vary: Accept-Encoding > >>> Content-Length: 7460 > >>> > >>> 132 > >>> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" > >>> "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd";> > >>> <html xmlns="http://www.w3.org/1999/xhtml"; xml:lang="en" lang="en"> > >>> <head> > >>> <meta http-equiv="content-type" content="text/html; charset=utf-8" > /><script type="text/javascript"> > >>> 36d > >>> 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r(){"complete"===c.readyState&&o()}function > o(){a("mark",["domContent",i()])}function i(){return(new > Date).getTime()}var > a=t("handle"),u=window,c=u.document,f="addEventListener",s="attachEvent",p=(""+location).split("?")[0],l=e.exports={offset:i(),origin:p,features:{}};c[f]?(c[f]("DOMContentLoaded",o,!1),u[f]("load",n,!1)):(c[s]("onreadystatechange",r),u[s]("onload",n)),a("mark",["firstbyte",i()])},{handle:"D5DuLP"}]},{},["G9z0Bl"]);</script> > >>> <t > >>> 27c > >>> itle>POST data</title> > >>> </head> > >>> <body onload="document.getElementsByTagName('input')[0].click();"> > >>> > >>> <noscript> > >>> <p><strong>Note:</strong> Since your browser does not support > JavaScript, you must press the button below once to proceed.</p> > >>> </noscript> > >>> > >>> <form method="post" action=" > https://qa.aether.gent.be/saml/idp/profile/post/slr";> > >>> <!-- Need to add this element and call click method, because calling > submit() > >>> on the form causes failed submission if the form has another element > with name or id of submit. > >>> See: https://developer.mozilla.org/en/DOM/form.submit#Specification > --> > >>> <input type="submit" style="display:none;" /> > >>> > >>> 8d4 > >>> <input type="hidden" name="SAMLResponse" value=" > >>> <<<First part of samlresponse>>>> > >>> 75e > >>> <<<Second part of samlresponse>>>> > >>> " /> > >>> <noscript> > >>> <input type="submit" value="Submit" /> > >>> </noscript> > >>> </form> > >>> > >>> <<<<removed content>>>>> > >>> 0 > >>> > >>> > >>> --------------------------------------------------------------------- > >>> To unsubscribe, e-mail: users-unsubscr...@httpd.apache.org > >>> For additional commands, e-mail: users-h...@httpd.apache.org > >>> > >> > >> --------------------------------------------------------------------- > >> To unsubscribe, e-mail: users-unsubscr...@httpd.apache.org > >> For additional commands, e-mail: users-h...@httpd.apache.org > >> > > > > > B�KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKCB� � > [��X��ܚX�K K[XZ[ � \�\��][��X��ܚX�P �\ X� K�ܙ�B��܈ Y ] [ۘ[ ��[X[� > � K[XZ[ � \�\��Z [ �\ X� K�ܙ�B > > -- BEKK Open http://open.bekk.no TesTcl - a unit test framework for iRules http://testcl.com
