Required ports lists the ports that you must have available before you install Symantec Messaging Gateway.
Table: Required ports
Remote access to the appliance
This port provides access to the command line interface.
Access to name service
The destination servers can be either internal DNS servers or the Internet root DNS servers. If you use the Internet root DNS servers, ensure that you have a rule allowing external access.
Access to the Control Center and outbound access to external Internet
See Ports that Symantec Messaging Gateway uses.
Access to time service
Access to Control Center (secured)
Outbound access to external Internet (secured)
MTA to Scanner (bi-directional)
Control Center to Scanner (bi-directional)
Traffic on 41002 (the agent port), flows as follows:
BCC to scanner (session request)
Scanner to BCC (session accept)
BCC to scanner (agent request)
Scanner to BCC (agent response)
BCC to scanner (terminate session)
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This will clear the history and restart the chat.