VCF 9.1.x
This is by design.
In VCF 9.1, Log Management does not accept non-TLS Syslog forwarding by default.
Perform one of the following workaround:
A. Forward Syslog over TLS on port 1514 instead of UDP/TCP port 514.
B. Configure Log Management to accept non-TLS Syslog.
Note: From a security perspective, workaround A is the recommended approach.
Implementation Steps for Workaround B
Note: Even after disabling the 'SSL Syslog' setting, TLS on port 1514 is still available.