How To Fix SRT_WSP2183 - Reverse Proxy "&1" has an invalid substitute http port "&2".

SAP Error Message - Details

• Message type: E = Error

• Message class: SRT_WSP2 - Messages for SRT WSP

• Message number: 183

• Message text: Reverse Proxy "&1" has an invalid substitute http port "&2".

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SRT_WSP2183 - Reverse Proxy "&1" has an invalid substitute http port "&2". ?

  The SAP error message SRT_WSP2183 indicates that there is an issue with the configuration of a reverse proxy in the SAP system. Specifically, it states that the reverse proxy has an invalid substitute HTTP port. This can occur in scenarios where the SAP system is set up to communicate with external services through a reverse proxy, and the configuration for the HTTP port is incorrect or not properly set.
  Cause
  The error can be caused by several factors:
  
  Incorrect Configuration: The HTTP port specified for the reverse proxy is either not defined or incorrectly configured in the SAP system.
  Network Issues: There may be network issues preventing the SAP system from reaching the specified port.
  Proxy Settings: The reverse proxy settings may not match the actual configuration of the proxy server.
  Firewall Rules: Firewall settings may be blocking access to the specified port.
  
  Solution
  To resolve the error, you can follow these steps:
  
  
  Check Reverse Proxy Configuration:
  
  Go to the SAP system configuration for the reverse proxy.
  Verify that the HTTP port specified is correct and matches the configuration of the reverse proxy server.
  
  
  
  Update HTTP Port:
  
  If the port is incorrect, update it to the correct value in the SAP system configuration.
  Ensure that the port is open and accessible from the SAP system to the reverse proxy.
  
  
  
  Test Connectivity:
  
  Use tools like telnet or curl to test connectivity to the reverse proxy on the specified port.
  Ensure that there are no network issues preventing access.
  
  
  
  Check Firewall Settings:
  
  Review firewall rules to ensure that they allow traffic on the specified HTTP port.
  Make adjustments as necessary to allow communication.
  
  
  
  Restart Services:
  
  After making changes, restart the relevant services in the SAP system to ensure that the new configuration is applied.
  
  
  
  Review Logs:
  
  Check the SAP application logs and the reverse proxy logs for any additional error messages that may provide more context on the issue.
  
  
  
  Related Information
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review the SAP documentation related to reverse proxy configuration and setup to ensure that all steps have been followed correctly.
  Support: If the issue persists after following the above steps, consider reaching out to SAP support for further assistance.
  
  By following these steps, you should be able to identify and resolve the issue related to the SRT_WSP2183 error message.