<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 14 (filtered medium)"><style><!--
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</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Hello Vincent,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>You make a small confusion. The log (varnishlog –b) is showing you that the backend is sending cookies, not that varnish is sending the cookies to the client. <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>The cookies are removed from the object before they are sent to the client. This means that those cookies will not reach the varnish client (usually user browser).<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>So:<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Client asks url -> varnish receives request, forwards to backend -> backend responds to varnish <b>with</b> set-cookie -> varnish strips cookie (unset beresp.http.set-cookie) and sends the response back to the client<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Hope it is clear now for you.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Traian<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> varnish-misc-bounces@varnish-cache.org [mailto:varnish-misc-bounces@varnish-cache.org] <b>On Behalf Of </b>Vincent<br><b>Sent:</b> Friday, December 10, 2010 3:08 PM<br><b>To:</b> varnish-misc@varnish-cache.org<br><b>Subject:</b> remove/unset set-cookies<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Hi,<br><br>I am trying to remove all set-cookies from the backend but I still found Set-Cookie in the log (varnishlog -b). <br><br>I have the following setup:<br><br>sub vcl_fetch {<br> .....<br> .....<br> unset beresp.http.set-cookie;<br>}<br><br>and varnishlog -b shows something like this:<br><br> 16 RxHeader b Set-Cookie: name=xyc; domain=.<a href="http://example.com">example.com</a>; path=/; expires=Sun, 09-Jan-2011 14:04:10 GMT<br><br>I am wondering how to completely remove the Set-Cookie. Currently my hitrate is only 80%, I think the set-cookie header is the main reason.<br><br>also what's the difference between <br> unset beresp.http.set-cookie;<br>and <br> remove beresp.http.set-cookie;<br><br><br>Thank you,<br><br>Vincent<o:p></o:p></p></div></body></html>