Troubleshooting
Problem
This document provides information on which TCP/IP ports are required to have access when using IBM i Access Client Solutions or IBM i Access for Windows.
Resolving The Problem
The following table lists the ports that IBM i Access and related functions use for communication with the IBM i OS System:
If any of the above ports are restricted using a firewall or any other mechanism, IBM i Access or related functions may fail to operate. For assistance with configuring ports or working with a firewall beyond the above information, contact the firewall provider or obtain a consulting agreement.
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Port Non-SSL | Port SSL |
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Navigator for i (web) | as-nav | 2004 | 2005 |
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DHCP Monitor | --- | --- | 942 |
If any of the above ports are restricted using a firewall or any other mechanism, IBM i Access or related functions may fail to operate. For assistance with configuring ports or working with a firewall beyond the above information, contact the firewall provider or obtain a consulting agreement.
Note:
The following ports are common to most IBM i Access Client products such as ODBC, Telnet and other specific functions:
Port 449 is used to look up service by name and return the port number.
Ports 8470 and 9470(TLS/SSL) are used for host code page translation tables and licensing functions.
Ports 8475 and 9475(TLS/SSL) are used to check for application administration restrictions.
Ports 8476 and 9476(TLS/SSL) are used for checking signon verification to authenticate.
depending on your needs you may only need the above ports and the port(s) for your function/application.
For the ports used by the Console, see document N1015344, IBM iSeries Port Assignments with Operations Console.
For the ports used by the Console, see document N1015344, IBM iSeries Port Assignments with Operations Console.
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Historical Number
13642023
Document Information
Modified date:
29 October 2020
UID
nas8N1019667