What domains need to be allowed in order to download Cerberus updates, upgrades and patches using the Auto-Updater? Ian Butteriss March 30, 2022 20:16 Updated Follow www.cerberusftpserver.com is the domain 220.127.116.11 is the IP address. The only port that would need to be opened would be 443. Related articles How do I update Cerberus FTP Server to the latest release? Why are my users getting errors when resetting passwords or creating public shares? Important changes to logging for users upgrading to Cerberus FTP Server Version 11 Protocol Settings Why is the UI Sidebar menu not visible or working after upgrade to version 11 Comments 0 comments Please sign in to leave a comment.