This one had me scratching my head for a while – using php7.0-fpm and the latest nginx on Debian 8 Jessie I was seeing our PHP contact form working correctly but returning a Gateway 504 error upon submission, which was resulting in a great deal of resubmitted forms and error notifications from users.
This only started occuring after we moved our site to Digital Ocean – it turns out that it was a IP priority issue and the following resolved it:
and uncommenting the following line:
precedence ::ffff:0:0/96 100
Then a reboot. Voila, the contact form worked properly again.
When trying to upload files to a Drupal installation running on nginx, we got a 413 error: Request Entity too large.
We had gone through and updated the php files with regard to max upload file size limits, but had neglected to do the same to the nginx config file (/etc/nginx/nginx.conf on Debian). We had to add the following line:
in the http block and restart the nginx server to get uploads working again. The above will set the limit to 20MB; change it to suit your own environment and needs.
You can also add this to the server or location blocks.
After migrating a server from Apache2.4 to nginx a Dokuwiki install was complaining about the following on the admin page:
Previously .htaccess files were controlling access, which aren’t used by nginx. You can test your Dokuwiki install’s access by attempting to visit the following url: