z/OS Common Information Model User's Guide
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Configuring the ports for the CIM server

z/OS Common Information Model User's Guide
SC34-2671-00

Configuring the ports for the CIM server

Ensure that the CIM server can use the default port 5988 for HTTP or 5989 for HTTPS. You can change the default values for the ports using the httpPort and httpsPort CIM server configuration properties.

When the CIM server cannot listen to one of the ports, the CIM server startup will fail. Then check if another server is listening to the ports, your security product is protecting the ports, or the ports are blocked by the TCP/IP configuration.

  • _ To identify your currently configured port for HTTP and HTTPS, see the configuration properties httpPort and httpsPort as described in CIM server configuration.
  • _ To determine if the port has been reserved, verify that the port specified for the httpPort configuration property is not included in the range of reserved ports specified in the BPX parmlib member's INADDRANYPORT and INADDRANYCOUNT parameters.
  • _ Use the TCP/IP NETSTAT ALLCONN PORT command to check for servers using the specified ports.
    Example:
    TSO NETSTAT ALLCONN (PORT 5988
  • _ Your security product may also need to be configured to allow access to the HTTP port. For example, OEM security product ACF2 may require "Stack & Port security authorization" for the CIM server.

    Please refer to your security product's documentation for additional information.

  • _ The TCP/IP PORT and PORTRANGE statements in the TCP/IP profile may be used to make the configured HTTP port available for the CIM server's use.

    For more information, refer to z/OS® Communications Server: IP Configuration Reference, topic "TCP/IP profile (PROFILE.TCPIP) and configuration statements".

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