FAQforge

If you get a 500 error in a webpage hosted on Debian Linux (6.0) with apache webserver and fastcgi, take a look into the apache error.log file. This can either be the global error.log or the error.log of the website where you got the error. If you find a error similar to this one:

[Fri Apr 10 15:18:05 2012] [warn] [client 192.168.0.55] mod_fcgid: HTTP request length 134926 (so far) exceeds MaxRequestLen (131072), referer: http://www.example.tld/administrator/index.php?option=com_installer

then the MaxRequestLen setting of mod_fccgid is too low. To fix that, edit the file /etc/apache2/mods-available/fcgid.conf

vi /etc/apache2/mods-available/fcgid.conf

and add or edit the line “MaxRequestLen 15728640″ to set the Request Limit to 15MB. The resulting file should contain these settings:

AddHandler fcgid-script .fcgi
FcgidConnectTimeout 20
MaxRequestLen 15728640


Save the changes and restart apache:

/etc/init.d/apache2 restart

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1. Timothy Tuck says:

   May 11, 2012 at 5:45 pm

   Correct me if I am wrong but..

   I think you have a typo there, your actually bumping that to 150 meg?
   You have an extra zero tagged onto that:

   MaxRequestLen 157286400

   It should be

   MaxRequestLen 15728640

   Reply
   • Till says:

     May 11, 2012 at 5:49 pm

     You’re right. I fixed that in the faq.

     Reply
2. Lucian says:

   May 22, 2012 at 3:59 pm

   This also happens on CentOS release 6.2 (Final), I just experienced the same effect.

   Reply