Check or Attack Name: nlockmgr

The RPC nlockmgr service has been detected as running. The nlockmgr is part of the file locking manager system for NFS. It forwards local file locking requests to the lock manager on the server system. The nlockmgr service registers with the RPC portmapper as program 100021.

This service should be disabled if your system is not acting as either an NFS client or server.