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if connecting to SAP AS via HTTP port use rule 5<NN>00
else if connecting from SAP SCS/ASCS via HTTP port use rule 5<NN>13
in later case, sapctrl<NN> must be defined in /etc/services file.
If connecting directly to SAP AS via HTTPS port over SSL use rule 5<NN>01
else if connecting from SAP SCS/ASCS via HTTPS port over SSL use rule 5<NN>14
in later case, sapctrls<NN> must be defined in /etc/services file.
for connecting through any AS use below for java systems.
| Port | Rule |
| IIOP initial context | 5<NN>02 |
| IIOP over SSL | 5<NN>03 |
| P4 | 5<NN>04 |
| P4 over HTTP tunneling | 5<NN>05 |
| P4 over SSL | 5<NN>06 |
| IIOP | 5<NN>07 |
| Telnet | 5<NN>08 |
| JMS | 5<NN>10 |
<NN> = 00, 01, 02, 03, 04, 05, …….. 99
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