Our Plesk was recently upgraded from 10. 1 to version 12. However, we have since been dealing with a situation where our urls are coming up like t his: http://mysite.com:8080
It's causing quite an issue and some sites are no longer working. We experienced the same issue with our older Plesk install, but someone had written a shell script that fixed the issue. That script does not seem to be doing its job with the new installation.
This should not be a difficult problem for someone who really knows their way around Plesk, Apache, and nginx.