Which ports need to be opened in a firewall for the SAP Plug-in to access any SAP instance?
What are the different ports which need to be opened in the firewall to connect to SAP instance?
Below mentioned ports need to be opened on the SAP Agent installed machines.
Dispatcher :32<SAP instance number>
Gateway : 33<SAP instance number>
Message Server : 36<SAP instance number>
If the sap agent host machine is reachable using ping from the SAP server host machine it should be fine.