Port 5667 is typically used for the NRPE (Nagios Remote Plugin Executor) daemon, which allows remote execution of plugins and check scripts on monitored hosts by Nagios monitoring software. It is a secure alternative to the traditional NRPE plugin, which uses an unencrypted protocol.
Ports those registered with IANA are shown as official ports. The same port number may be unofficialy used by various services or applications. The official usage are listed separately below its usage may change from time to time.
Official
Port | Protocol (TCP/UDP) | Title | Description | Port Type |
UnOfficial
Unofficialy or sometimes with conflict, the same port may be used by different applications.
Port | Protocol (TCP/UDP) | Description |
Port 5667 | NSCA (Nagios) |