| Product function | Required TCP/IP ports on IBM i |
|---|---|
| Remote System Explorer functions: including filtering, editing, compiling, and running |
|
| Integrated File System (IFS) access | 8473: IBM i file server |
| Interactive job support (via the STRRSESVR command) | 8472: IBM i data queue server |
Also note that the IBM Toolbox for Java™ handles the communications to and from your IBM i server, using http://www.ibm.com/systems/i/software/toolbox/faqports.html.
One additional local port that should be opened is port 4300, which the STRRSESVR command uses from the workstation, to monitor "call backs" from the IBM i server to your local workstation.
| Product function | Required local port |
|---|---|
| Interactive job support (via the STRRSESVR command) | 4300: Remote System Explorer communications daemon |
| Product function | Required server port |
|---|---|
| Integrated i Debugger | 3825: Debugger server |
To change the port that the debugger server listens on, use the IBM i WRKSRVTBLE command and add or change the entry QDBGSVR2. If this entry is not found in the table, the debugger server listens on the default port 3825