Table: Default ports list of the ports that are required for Symantec Message Filter.
Table: Default ports
Application layer protocol
Transport layer protocol
Access to name service
Access to time service
Access to the computer
Access to the Control Center
Access to the Control Center (secured)
Outbound access to the Internet
Outbound access to Conduit
Outbound access to LiveUpdate
MTA to Scanner (bidirectional)
Control Center to the Scanner
See About firewall configuration .
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