Binary package “nsca-ng-server” in ubuntu bionic

Monitoring command acceptor

 The NSCA-ng server makes the Icinga command file accessible from remote
 systems. This allows for submitting passive check results, downtimes, and many
 other commands to Icinga.
 .
 The communication with clients is TLS
 encrypted and authenticated using pre-shared keys (as per RFC 4279). The
 NSCA-ng server supports per-client passwords and fine-grained authorization
 control.