From: Pallav K. D. <pk...@ii...> - 2006-02-03 07:39:13
|
Hi,<br />I am also getting this problem from last month.=A0 Our students = are also=A0 facing this problem now a days. with reference to the reply of Mr Jonathan Angliss, I would like to say you sir that we have one webserver for webmail interface and from there students logged in to various mail servers using multi login plugin. I didnt change=A0 any configuratin of squirrelmail from last month but getting this problem now a days much often. There may be the=A0 case that two users may be using the same PC. = <br />PLease let me know how to solve this problem.<br /><br />Regards<br />Pallav Dutta<br /><br /><br />> -----BEGIN PGP SIGNED MESSAGE-----<b= r />> Hash: SHA1<br />> <br />> Hi Iain,<br />> On Thursday, February 02, 2006, Iain wrote:<br />>> Hi,<br />> <br />>> I am experiencing a strange bug with squirrelmail. The symptoms are as<br />>> follows:<br />> <br />>> Sometimes when a user sends an email the from address changes to another<br />>> user's email address who is logged in at the same time.<br />> <br />>> e.g. user A has email address an...@un...<br />>> user B has email address bo...@un...<br />> <br />>> User A is composing an email. When he hits send, the from address gets<br />>>= ; set to bo...@un....<br />> <br />> There could be a few causes of this. Are the users on the same<br />> computer? If so... that is a big issue... and they shouldn't both be<br />> logging in at the same time. Are they behind a proxy server? Another<br />> possibility is a PHP bug that has come up from time to time where the<br />> session id becomes the string 'deleted' instead of an empty string.<br />> If multiple users hit the same 'deleted' session ID, then they will be<br />> accessing the same session files.<br />> <br />>> 3 x Redhat EL 4 webmail front ends. (PHP 4.3.9, Squirrelmail 1.4.5)<br />>> 1 x Solaris 8 Backend running:<br />>> - Cyrus<br />>> - Postgres 8.0.3 (for address book, userprefs, etc)<br />>> - NFS<br />> <br />>> The 3 webmail front ends are load balanced behind an Alteon load<br />>> balancer with IP persistency. Sessions are stored on the NFS mount.<br />> <br />> While I don't believe it's likely to happen too often, there is a<br />> possibility that the session id generated by web server 1 has the same<br />> name as a session id generated on web server 2, this would cause the<br />> sessions to pollute each other as they're accessed from the same NFS<br />> share. Have you considered shifting the session files to storing<br />> locally to each web server? You said the balancer keeps IP persistency<br />> so it shouldn't cause any harm. What about a custom session handler?<br />> Somebody posted on to the devel list recently that could be tweaked<br />> for postgres with some of the suggested fixes.<br />> <br />> - --<br />> Jonathan Angliss<br />> <jo= n @squirrelmail.org=3D""><br />> -----BEGIN PGP SIGNATURE-----<br />> Version: GnuPG v1.4.2 (MingW32)<br />> <br />> iD8DBQFD4u/RK4PoFPj9H3MRAoY1AKDfmpjYzIFTDFk9VsiQXPm5ttMPCQCfb8j0<br />>= ; eB8Hhw+ydaJJ9xPWEQ2xwtk=3D<br />> =3DMV2x<br />> -----END PGP SIGNATURE-----<br />> <br />> <br />> <br />> -------------------------------------------------------<br />> This SF.net email is sponsored by: Splunk Inc. Do you grep through log<br />> files<br />> for problems? Stop! Download the new AJAX search engine that makes<br />> searching your log files as easy as surfing the web. DOWNLOAD SPLUNK!<br />> http://sel.as-us.falkag.net/sel?cmd=3Dlnk&kid=3D103432&bid=3D2304= 86&dat=3D121642<br />> --<br />> squirrelmail-users mailing list<br />> Posting Guidelines:<br />> http://www.squirrelmail.org/wiki/MailingListPostingGuidelines<br />> List Address: squ...@li...<br />> List Archives:<br />> http://news.gmane.org/thread.php?group=3Dgmane.mail.squirrelmail.user<br />> List Archives:=20 http://sourceforge.net/mailarchive/forum.php?forum_id=3D2995<br />> Li= st Info: https://lists.sourceforge.net/lists/listinfo/squirrelmail-users<br />> <br /></jon> <br /><br /><hr />This email was sent from IIT Guwahati Webmail.If you ar= e not .<br /> "the intended recipient, please contact the sender by em= ail and delete all copies; your cooperation in this regard is appreciated= . "<br /><a href=3D"http://www.iitg.ernet.in">http://www.iitg.ernet.in/</= a><br /> |