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</o:shapelayout></xml><![endif]--></head><body bgcolor=white lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Hey there,<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'>I thought I’d send a note that I have finally gotten Varnish to work with Joomla. I wanted to say thanks to everyone on this list that has helped me throughout the last little while until I finally got it working.<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'>I ended up modifying the joomla code to send an additional HTTP header to identify if the session was logged in or not, as well , I heeded the advice here and stripped all cookies except for the login page, among a few other things.<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'>I detailed my experiences in my blog , if anyone is interested. I tried to be as detailed as possible :<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'><a href="http://blog.stardothosting.com/2011/08/08/varnish-caching-with-joomla/">http://blog.stardothosting.com/2011/08/08/varnish-caching-with-joomla/</a><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'>Thanks!<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'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Mitch Pirtle [mailto:mitch@spacemonkeylabs.com] <br><b>Sent:</b> Monday, August 08, 2011 3:29 AM<br><b>To:</b> Kevin<br><b>Cc:</b> <varnish-misc@varnish-cache.org><br><b>Subject:</b> Re: neverending saga of varnish + joomla<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal><span class=apple-style-span>On 07/ago/2011, at 22:42, "Kevin" <<a href="mailto:k@kevinkevin.com">k@kevinkevin.com</a>> wrote:</span><o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span class=apple-style-span>The problem is varnish is having a very very difficult time knowing when to pipe or pass the traffic to the backend webserver if a logged in session happens. It seems that unless you patch joomla to do its own internal checks and determine if a user is anonymous or not, and send a custom http header that varnish can read, there is no other real way to make varnish work with joomla.</span><o:p></o:p></p></div></div></blockquote><div><p class=MsoNormal>Hi Kevin!<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>You can accomplish this by writing a Joomla plugin that does these things.<o:p></o:p></p></div><div><p class=MsoNormal>There are example plugins in the Joomla wiki (I'm loitering outside and don't have access right now, sorry!) and I believe there is a simple plugin example provided in the 1.5 distribution.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Essentially think of Joomla plugins as database triggers and stored procedures. When a specific event fires in the execution stack, any plugins for that event are fired as well.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Hope this helps,<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>-- Mitch<o:p></o:p></p></div></div></body></html>