Editing images

We have never been able to make edits to images. I’ve posted the issue before to get a confirmation that it is in fact supposed to work with our selection to remove from server after uploading to S3. Clearly, if everyone else can edit images with those settings and we cannot, perhaps there’s something missing in our server setup.

I have done a fresh install CentOS 7.4 server with all updates running Apache 2.4.6 with PHP 7.2 and installed latest WordPress all from scratch. I disabled selinux and opened http, https, ssh and ftp in Firewalld. Using the default Twenty Seventeen theme with only the WP Offload S3 Lite v1.3.2 plugin installed and activated. The allow_url_fopen is on, here is the complete PHP info:

http://wp.webtent.net/info.php

I go to the Media Library and upload an image, then click to Edit Image and rotate. When I Save, the error in the Apache error log is:

[Mon Mar 26 10:23:11.742252 2018] [php7:warn] [pid 11843] [client 96.254.71.164:49223] PHP Warning: fopen(http://s3.amazonaws.com/wmnf/wp-test/uploads/2017/12/06224532/Linux-Music-e1522074191942.jpg): failed to open stream: HTTP wrapper does not support writeable connections in /var/www/html/wp-includes/class-wp-image-editor.php on line 407, referer: http://wp.webtent.net/wp-admin/upload.php?item=5&mode=edit

That’s it, very easy to duplicate this issue. If allow_url_open is On, the issue with this basic setup as described is preventing the s3 protocol from being registered? That is what was suggested in my original post about the issue. But, how could images be uploaded successfully to the S3 in that case? Or could someone suggest what I could be missing?

The page I need help with: [log in to see the link]