In some cases you need detailed information on TCP/IP ports for SAP. This blog will also refer to notes from SAP with regards to network issues.
TCP/IP ports for SAP
All ports for SAP are listed on the SAP help site https://help.sap.com/viewer/ports.
When is this list important?
- When you have to setup firewall rules
- When you are doing changes: for example, changing from http to https, installation of web dispatcher, switch towards SNC
Other relevant TCP/IP related OSS notes: