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Remote Monitor (rmonitor)
Remote Monitor (rmonitor) is a UDP-based protocol primarily utilized for monitoring networked systems and services remotely. It enables administrators to collect real-time data regarding the health and performance of various hosts, facilitating proactive operations management and rapid troubleshooting..
Remote Monitor (rmonitor) operating over UDP port 560 is designed to facilitate lightweight, real-time monitoring of remote systems. Its reliance on UDP allows for fast transmission of status queries and responses without the overhead of connection management, making it suitable for network environments where quick updates are critical.
Typically, rmonitor can gather a variety of metrics such as system load, uptime, availability of services, and potentially some application-specific data if configured accordingly. It operates using a request-response pattern, where a monitoring client periodically queries one or multiple remote hosts, which then respond with their current status data.
While specialized monitoring protocols such as SNMP have become more common, legacy systems or custom-built environments might still employ rmonitor due to its simplicity and minimal resource requirements. Modern monitoring stacks may integrate or replace it depending on compatibility and feature sets desired.