12.5

5 Copyright © Acronis International GmbH, 2003-2020
3 Secure network configuration
This section describes the network configuration for secure communications between Acronis Cyber
Backupcomponents.
3.1 Network security diagram
On the diagram below, you can see the network security diagram which shows Acronis Cyber Backup
12.5 components and communications between them. For security reasons all the ports are closed
except those that are listed in the table below.
The arrow direction shows which component initiates the connection. Note that all ports are TCP
unless otherwise specified.
1. Download installation components: 443 to
dl.acronis.com
12. - Manage ASN: 7780 ZMQ
- Register ASN and manage tasks: TCP 9877
2. Sync subscription licenses: 443 to
account.acronis.com
13. Backup to managed location: 9876,9852