I have a problem logging into my plone sites when I access them via an apache
proxy.
I am migrating my plone sites from 2.0.3 to 2.5.1 and to a different machine.
The problem though occurs both on migrated and newly created plone sites so it
is not migration related. The new machine is a fresh install (software versions
below).
The effect is as follows :
- For anonymous users everything works fine, the apache proxy functions
perfectly.
- If i access my plone sites directly on the port zope listens on I can login
without problem.
- But, if I attempt to login to the sites while accessing them via the apache
proxy I get one of three results :
Either :
- a) I am silently returned to the page on which I clicked the link to get to
the login page. There is no error, nothing in the logs. I am not logged in (no
user options menu or user actions bar) site behaves as for an anonymous user
(but still correctly apart from the missing login).
- or b) I receive a login confirmation screen informing me that I am now logged
in. The screen has the usual user options menu (my files, prefs etc) and
actions (content, modify, share, etc). BUT if I now navigate away from this
page I lose my authentication, no more user options, the system behaves as if I
had never logged in.
- or c) and last but not least - sometimes the login just works fine!!
I have been unable to isolate under what circumstances I get the failure. It
does not seem to be related to specific terminals or users. It also evolves
over time, one day works just fine, the next not.
So as best I can see the problem seems to be with the session management. I
can't see that it is with apache which appears to be correctly routing the
requests. The effect rather resembles what happens if you login via an ip
address (say) and then access the site via a domain name - plone "forgets" you
are logged in because you are no longer using the same address and it hasn't
placed a cookie for the second one.
These results are the same on both firefox and ie (not tested with anything
else)
Most gratefull for any assistance with this problem which is preventing me from
migrating certain sites.
Regards
Alan Cowderoy
apache2 proxy configuration is as follows :
I route to virtual hosts by sub domain name so ProxyPass is sufficient, don't
need the extra flexibility of rewrites.
<VirtualHost portail.gaz-de-strasbourg.local>
ServerName portail.gaz-de-strasbourg.local
ServerAlias portail
<Proxy *>
order deny,allow
allow from all
</Proxy>
ProxyPass / http://my server ip
address:10080/VirtualHostBase/http/portail.gaz-de-strasbourg.local:80/portail/VirtualHostRoot/
ProxyPassReverse / http://my server ip
address:10080/VirtualHostBase/http/portail.gaz-de-strasbourg.local:80/portail/VirtualHostRoot/
</VirtualHost>
software versions for target machine are :
Zope 2.9.6-final
Python Version 2.4.4
Plone 2.5.1
Apache 2
running on Linux/Debian
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