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Configuring Firewalls for Use with SSSE

If your SSSE implementation includes firewalls between components, you must open specific ports in the firewall to allow the various parts of the implementation to communicate with each other. This topic briefly describes how to configure your firewall for use with SSSE.

This task is a step in Process of Installing SSSE in a Microsoft Exchange 2000 Environment, Process of Installing SSSE in a Microsoft Exchange 2003 Environment, and Process of Installing SSSE in a Microsoft Exchange 2007 Environment.

Firewall Located Between PIMSI Engine and Exchange Connector

A typical location for a firewall is between a Siebel Server that hosts a PIMSI Engine and a computer that runs the Siebel Exchange Connector. If this is where your firewall is located, have the firewall administrator open the ports listed in Table 10, and configure your Siebel Server to use the same range of ports for DCOM.

Table 10. Ports for a Firewall Located Between PIMSI Engine and Exchange Connector
Traffic Type
Firewall Port to Open

DCOM

NOTE:  DCOM traffic requires the use of actual IP addresses. Firewalls that translate network addresses prevent proper operation. Therefore, Microsoft does not support DCOM calls that are made over Network Address Translation (NAT)-based firewalls.

For more information about using DCOM with firewalls, go to the Microsoft Support Web site at the following URL:

http://support.microsoft.com

Port range of your choosing.

For more information about using distributed COM with firewalls, go to the Microsoft Developer's Network Web site at the following URL:

http://msdn2.microsoft.com

 

End Point Mapper (EPM)/ Service Control Manager (SCM)

135

LDAP

389

LDAP to Global Catalog Server

3268

Firewall Located Between Exchange Connector and Exchange Server

It is possible (but not recommended) to place a firewall between a computer that runs the Siebel Exchange Connector and the Microsoft Exchange Servers that the Exchange Connector communicates with. In this case, the firewall administrator must open additional ports, such as those listed in Table 11. On your Siebel Server, be sure to configure corresponding port numbers and port number ranges.

Table 11. Ports for a Firewall Located Between Exchange Connector and Microsoft Exchange Server
Traffic Type
Firewall Port to Open

End Point Mapper (EPM)/ Service Control Manager (SCM)

135

HTTP

80 or your designated HTTP port

LDAP

389

LDAP to Global Catalog Server

3268

MAPI to Exchange 2000/2003

Values of your choosing, as described in Article #270836, Exchange Server Static Port Mappings, on the Microsoft Support Web site at the following URL:

http://support.microsoft.com

NOTE:  As described in this article, you must create registry entries on the Exchange Server computer that specify static MAPI ports.

RPC (Remote Procedure Calls)

Port range of your choosing, as described in Article #154596, How to Configure RPC Dynamic Port Allocation to Work with Firewalls, on the Microsoft Support Web site at the following URL:

http://support.microsoft.com/kb/154596

    
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