A modern replacement for NSCAhttps://www.nsca-ng.org/
The NSCA-ng package provides a client-server pair which makes the "Nagios
command file" accessible to remote systems. This allows for submitting
passive check results, downtimes, and many other commands to Nagios (or
compatible monitoring solutions).
NSCA-ng supports TLS encryption and shared-secret authentication with
client-specific passwords (based on RFC 4279), as well as fine-grained