So here’s how I fixed it for me… I looked at the apache 2 logs and saw this:
[Wed Nov 25 00:19:13.470404 2020] [ssl:error] [pid 24259] [client 192.88.135.12:27703] AH02018: request body exceeds maximum size (131072) for SSL buffer, referer: https://www.website.com/wp-admin/upload.php
[Wed Nov 25 00:19:13.470454 2020] [ssl:error] [pid 24259] [client 192.88.135.12:27703] AH02257: could not buffer message body to allow SSL renegotiation to proceed, referer: https://www.website.com/wp-admin/upload.php
So all I did to fix it was put a .htaccess file in the /wp-admin/ folder and only put in one line
SSLRenegBufferSize 10486000
And that fixed it for me.
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This reply was modified 4 years, 4 months ago by agcowboy.