E Firewall Port Requirements

If your Enterprise Manager grid environment is making use of firewalls, ensure you specify the appropriate ports.

Figure E-1 provides a topology of an Enterprise Manager grid environment that is using a firewall, and also illustrates the appropriate ports that you must specify.

Figure E-1 Enterprise Manager Firewall Port Requirements

The conventions used in the preceding illustration are as follows:

Table E-1 Conventions Used

Convention	Description
C	Is the entity that is making the call.
*	Enterprise Manager will default to the first available port within an Enterprise Manager set range.
**	Enterprise Manager will default to the first available port.
***	Are the Database listener ports.

Note:

• The direction of the arrows specify the direction of ports.

• Port 1159, 4898-4989 specify that 1159 is the default. If this port is not available, the management Service will search in the range that is specified.

• To clone between two target hosts separated by a firewall, the agents will need to communicate to each other on the agent ports. The initiating agent will make the call.