I have a WP site managed on an Ubuntu server with Plesk. For a few hours I can not upload files above 2MB. I have made several attempts like:
On other sites uploaded to the same server, with the same settings (one is the backup of the site in question) instead I can correctly upload the files.
On the file upload screen I see the upload limit correctly (for example 64M) but if I upload a file greater than 2MB I see the error:
413 Request Entity Too Large
What could it be? Do you have any ideas / suggestions on this?
Thanks a lot!
Most probably that the reason of this issue is ModSecurity settings. Check solution from https://support.plesk.com/hc/en-us/articles/115001764933-Unable-to-edit-document-on-the-website-ModSecurity-Request-body-no-files-data-length-is-larger-than-the-configured-limit-
To fix, you need to set server block like this
server {
client_max_body_size 0;
...
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