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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>We are having issues with session persistence in Drupal when using the Pound reverse proxy server. Currently, we are losing our session when clicking on a link to add a comment to a node for subdomains only. This issue (losing our session) does not happen when on the main domain (<a href="http://www.example.com">www.example.com</a>), but only when on subdomains (sub1.example.com and sub2.example.com).<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Our current environment has the Pound reverse proxy server in front of two Drupal web servers that are each connected to an NFS mount where the Drupal site code exists.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>We have made the following changes to the settings.php file as directed for reverse proxy:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-family:"Courier New"'>#Use . first because we have multiple subdomains<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'>$cookie_domain = '.ourdomain.com';<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'>$conf['reverse_proxy'] = TRUE;<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'>$conf['reverse_proxy_addresses'] = array('999.999.999.99');<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>And have added the Drupal cookie in the reverse proxy configuration file:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-family:"Courier New"'>Service<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'> BackEnd<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'> Address web.server.one.net<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'> Port 80<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'> Priority 5<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'> End<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'> BackEnd<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'> Address web.server.two.net<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'> Port 80<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'> Priority 5<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'> End<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'> Session<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'> Type COOKIE<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'> ID "session_key"<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'> TTL 540<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'> End<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New"'>End<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Is there anything else that needs to be configured to maintain session persistence for subdomains?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thanks,<o:p></o:p></p><p class=MsoNormal>Frank<b><span style='font-size:10.0pt;font-family:"Courier New";color:maroon'> </span></b><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>