Refer to this section for a complete description of ports and protocols that should be configured in your system. Create firewall rules to allow access to the following resources:
Action1 servers (*.server.action1.com):
Port & Protocol
TLS 1.2 over TCP
(TLS 1.3 in 2022)
BT over TCP
(deprecated in October 2021)
Note: * (asterisk sign) in DNS names means including all child subdomains, with multi-level nesting. For example, *.example.com would include example.com, child.example.com, grand.child.example.com, and all other possible subdomains.