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which TCP/IP ports do I have to open in order to get communication

I have an enterprise portal. based on EHP1 and I want to patch it. So I need to connect it to Solution manager.

However systems are in different networks.

I wander which TCP/IP ports do I have to open in order to get communication between the two systems.

I am trying to fid documentation for this case but every documentation asumes systems are in same network

Former Member
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Hello Jan

When you execute an RFC connection it uses the gateway port that is 33XX where XX is the number of the ABAP instance.

Some Jcos uses the same value as the gateway, in this case is the same port 33XX.

Mu suggestion is check this pdf below.

TCP/IP Ports Used by SAP Applications

SAP SAP Documentation (PDF 145 KB) 09 April 2009

http://www.sdn.sap.com/irj/scn/index?rid=/library/uuid/4e515a43-0e01-0010-2da1-9bcc452c280b

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