How To Fix /IWBEP/CM_MGW_RT209 - X-CSRF protection needed for Read Access Logging (RAL)

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_MGW_RT -

• Message number: 209

• Message text: X-CSRF protection needed for Read Access Logging (RAL)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_MGW_RT209 - X-CSRF protection needed for Read Access Logging (RAL) ?

  The SAP error message /IWBEP/CM_MGW_RT209 X-CSRF protection needed for Read Access Logging (RAL) typically occurs in the context of SAP Gateway services when there is an issue with Cross-Site Request Forgery (CSRF) protection. This error indicates that the system requires a valid CSRF token for the operation you are trying to perform, particularly when accessing or modifying data.
  Cause:
  
  CSRF Token Missing: The request does not include a valid CSRF token. This can happen if the client application does not send the token in the request headers.
  Session Expiration: The CSRF token may have expired if the session has been inactive for a certain period.
  Incorrect HTTP Method: The CSRF token is typically required for state-changing operations (like POST, PUT, DELETE). If you are trying to perform a read operation that requires CSRF protection, it may not be configured correctly.
  Configuration Issues: There may be issues with the configuration of the SAP Gateway service or the Read Access Logging (RAL) settings.
  
  Solution:
  
  
  Include CSRF Token: Ensure that your client application includes the CSRF token in the request headers. You can obtain the CSRF token by making a GET request to the service endpoint and reading the X-CSRF-Token header from the response.
  
  Example:
  GET /your/service/endpoint HTTP/1.1
  Host: your.sap.server
  
  The response will include a header like:
  X-CSRF-Token: <token_value>
  
  
  
  
  Use the Token in Subsequent Requests: For any subsequent requests (especially POST, PUT, DELETE), include the token in the headers:
  POST /your/service/endpoint HTTP/1.1
  Host: your.sap.server
  X-CSRF-Token: <token_value>
  
  
  Check Session Validity: Ensure that the session is still valid and has not expired. If it has, re-authenticate to obtain a new CSRF token.
  
  
  Review Service Configuration: Check the configuration of the SAP Gateway service and the Read Access Logging settings to ensure they are set up correctly to handle CSRF tokens.
  
  
  Debugging: If the issue persists, enable debugging or logging in your SAP Gateway to get more detailed information about the request and response cycle.
  
  
  Related Information:
  
  SAP Gateway Documentation: Refer to the official SAP Gateway documentation for more details on CSRF protection and how to implement it in your applications.
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to CSRF protection and Read Access Logging.
  Community Forums: Engage with the SAP Community or forums for additional insights and solutions from other users who may have encountered similar issues.
  
  By following these steps, you should be able to resolve the error and ensure that your application correctly handles CSRF protection when interacting with SAP services.