Port 6558 is commonly used by the Nagios Remote Data Processor (NRDP) protocol, which is used by the Nagios application to receive data from external applications or hosts. It is used to securely transmit monitoring and performance data between hosts on a network, allowing administrators to centrally monitor and manage multiple systems. Additionally, some web-based applications also use Port 6558 for data transmission.
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 |
Port 6558 | tcp | xdsxdm | REGISTERED PORT | |
Port 6558 | udp | xdsxdm | REGISTERED PORT |
UnOfficial
Unofficialy or sometimes with conflict, the same port may be used by different applications.
Port | Protocol (TCP/UDP) | Description |