Communication across a firewall can apply in many network environments. Your options for enabling communications among CA Spectrum components depend on the types of firewalls that you deploy. We recommend working with the firewall administrator for your network to work out a strategy for letting CA Spectrum and One Click traffic traverse firewalls.
What are the ports that are needed by Spectrum for communication across firewalls?
Release: All Supported Releases
Component: SPCCSS - SpectroSERVER Core
The ports Spectrum needs open for communication across firewalls are discussed in the "Communication Across Firewalls" section of the Spectrum documentation:
TechDocs : DX NetOps 21.2 Spectrum : Communication Across Firewalls