Acronis backup system requires some ports to be open in your server firewall for successful communication between your server and Acronis cloud services.
- TCP ports 443 and 8443 for accessing the backup console, registering the agents, downloading the certificates, user authorization, and downloading files from the cloud storage.
- TCP ports 5905, 7770...7800 for communication between components
- TCP ports 445 and 25001 for remote installation
- TCP ports 443 and 902 to access the vCenter Server and ESX(i) hosts
- TCP port 44445 for data transfer during backup and recovery
- TCP ports 443, 44445, and 55556 for backup to cloud
- TCP port 6109 for Active Protection
All mentioned ports:
8443,5905,7770:7800,443,445,25001,902,44445,55556,6109
Know more about our Acronis Backup and Disaster Recovery from this link: https://www.hostround.com/security/cloud-backup-disaster-recovery
