Default Ports used in SAP

If the instance no of SAP system is 00 then the ports no will be like this.

Here 3200 is the dispatcher port. In 3200 ( 32<instance no>, 32<00>). In JAVA System Port 50000 is
(5<instance no>00, 5<00>00 = 50000).
In ABAP system SAP uses  8<instance no>0.
Port No.         Used By

3200          Dispatcher Port

3300          Gateway Port

3600          Message Server Port

3900          Internal Message server Port

3901          Java Message Server Port

4800          Secured Gateway

8000          Http Port

8001          Https Port

50000        Java Http Por

50004        P4 Port

50008        Telnet Port

50018        SLD Port

3297          DAA Port (Diagnostic Agent)

3298          SMD Port

3299          Router Port

1527          Listner Port (Default Port)