I have been having problems getting access to my public archives from a browser. I have been getting "403 Forbidden error accessing public archives" errors. This seems to be a particularly popular problem with many requests for advice, yet only few posts with helpful suggestions. Fortunately, I was able to piece them together to solve my problem. In the past, I have received much help and advice (not to mention excellent software) from the good people at list.org and the people on the Mailman-Users mailing list. So, I thought that I might be able to pay some of that generosity back by offering a short summary of what caused my problem and how I fixed it. Either someone will be able to search the Mailman-Users archives and find this message or else someone more articulate and knowledgeable than me about Mailman could polish it up and find a place for it in the Mailman FAQ located at http://www.python.org/cgi-bin/faqw-mm.py?req=all.

Symptom: 403 Forbidden error accessing public archives ....

Platform: FreeBSD 4.6-RELEASE

Mailman Version: Currently 2.1.3. I first installed mailman about 2 years ago. So, this version has been upgraded and updated to 2.1.3. This was, I think, part of my problem.

Solution:

The first thing I did was navigate to the /usr/local/mailman/bin directory and run "./check_perms". I found that not all of my permissions were set correctly. So, I re-ran "./check_perms -f" (for fix). This fixed the permissions. But, I still was being denied access.

The second step was to verify my settings were correct in Apache. I played around with httpd.conf for a little. But, nothing seemed to help. Remember that if you modify httpd.conf that you need to restart Apache with "apachectl restart" for your changes to work. It turns out that there was nothing wrong with my file. Here is what I currently use:

ScriptAlias /mailman/ "/usr/local/mailman/cgi-bin/"

     <Directory "/usr/local/mailman/cgi-bin/">
         AllowOverride None
         Options FollowSymLinks ExecCGI
         Order allow,deny
         Allow from all
     </Directory>

Alias /pipermail/ "/usr/local/mailman/archives/public/"

Then, I stumbled upon a thread at http://mail.python.org/pipermail/mailman-users/2003-June/029602.html that pointed me to the solution of my problem. I was able to get access to my archives by making the following changes.

# ** The following line was added ****************
DEFAULT_URL_PATTERN = 'http://%s/mailman/'

# ** The following line was replaced by the line after it.

# PUBLIC_ARCHIVE_URL  = '/pipermail'
PUBLIC_ARCHIVE_URL  = 'http://%(hostname)s/pipermail/%(listname)s'

One thing that I might point out here is that you can put the above lines in mm_cfg.py literally. You do not have to make substitutions for "(hostname)" and "(listname)". Just copy and paste. This is something that was not clear to me in the thread. I often run into that issue when trying to follow online docs. I thought it would be helpful to point it out.

***** IMPORTANT ******
After you make changes to your mm_cfg.py file, you need to run "./withlist -l -r fix_url (your list name)" on every existing list. Here, you do need to make substitutions for "(your list name)". You can get a list of your lists with "./list_lists". Also, you need to stop and restart Mailman with, "mailmanctl restart". It is possible that only certain changes to your mm_cfg.py necessitate the running of "withlist" and "Mailman restart". But, I don't see where it hurts to run them anyway (unless of course your want old lists to remain untouched and new lists to incorporate your changes).


Finally, this may shed some light on things for other FreeBSD users. Earlier I stated that part of my problem was due to the fact that Mailman has been upgraded on my system. This is why I believe that. The PUBLIC_ARCHIVE_URL used to work the way it was (see above). And, I noticed a few months back when I created a new mailing list that things like default paths and default email addresses didn't work on my new lists. If I'm not mistaken, the old lists continued to work though. I am just now associating the two problems. Apparently, the jump from 2.0.x to 2.1.x made some serious changes in how the mm_cfg.py file works. I upgrade my system with portupgrade, and I rarely have any issues. This time, the new requirements went unnoticed.

I hope this helps someone.

darren






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