Troubleshooting Tip: FortiWeb cannot connect to FortiNDR using ICAP

[cysaw]

Description	This article describes how to troubleshoot when the FortiWeb cannot connect to FortiNDR using ICAP.
Scope	FortiNDR.
Solution	FortiWeb is unable to connect to the FortiNDR after configuring the ICAP configuration in both FortiWeb and FortiNDR. Run the debug command in the FortiNDR to check the issue. diagnose debug icap If the below error appears from the debug output,  go to step 4. 2024-04-02 16:57:51,106 INFO handle_one_request(496) Starting handling single http request from 10.8.8.206:12146 2024-04-02 16:57:51,106 ERROR handle_one_request(509) Current connection from client 10.8.8.206:12146 has no mname, returning HTTP status code 404 NoneType: None 2024-04-02 16:57:51,107 ERROR handle_one_request(525) ICAP Error in connection from client 10.8.8.206:12146, returning HTTP status code 404Nothing matches the given URI      4. In the FortiWeb, try to add the service name of the ICAP server setting and verify the result.