diagnose debug module miglogd syslog
Use this command to view the debug information for the miglogd syslog.
In functionality that require FortiADC to send logs to servers that uses TCP SSL (such as FortiWeb Cloud, Rsyslog, or other open source servers with SSL protocols), the TCP SSL certificates and negotiations is complex, involving several steps. In the case where communication issues arise between FortiADC and the server, you can use the diagnose debug module miglogd syslog command to print out the key information about these communications to find the cause.
Syntax
diagnose debug module miglogd syslog