Port 2583MON monitoring system

MON is the control and query service for Jim Trocki's mon network-monitoring system.

transport: tcp · udp
in transit: cleartext
assignment: official
risk: 2/10
lookups: 0

also known as mon, moncmd

Technical Details

what runs on :2583

IANA assigns MON to both TCP and UDP port 2583. In normal mon deployments, the daemon's administrative control interface is reached over TCP/2583 by moncmd; it uses mon's native command protocol rather than HTTP. The interface is not TLS-encrypted by default, and there is no broadly standardized secondary port associated with the service.

Security Information

exposure of :2583

risk score

2/ 10safe

routine exposure. this port is rarely the way in on its own — keep it patched and logged and move on.

network services averages 2.8 across 1,106 ports — this one sits 0.8 below.

in transit

cleartext

credentials and payloads are readable by anyone on path

assignment

official

registered with iana for this service — scanners fingerprint it by number

reachable over

tcp · udp

udp is connectionless — source addresses are trivially spoofed and it is a reflection favourite

security overview

This is an administrative monitoring interface and should generally be restricted to trusted management hosts rather than exposed to the internet. Because the native service is not encrypted by default, credentials and commands may be exposed to network observers, while an accessible interface could permit unauthorized inspection or control depending on mon's authentication configuration.

Record

iana registry entry

port: :2583
service: MON monitoring system
transport: TCPUDP
encryption: cleartext
assignment: iana registered
risk: 2/10safe
category: Network Services System
usage: This port is associated with mon, a general-purpose network and resource monitoring daemon developed by Jim Trocki. Deployments use it for scheduled service checks and alerting, while the moncmd client can connect to inspect or control the daemon.
lookups: 0rank 994
added: 2026-09-12
updated: 2026-09-12
references: IANA service name registry — port 2583

Something wrong?

This record is maintained by the engineers who use port 2583. Every field on it is editable — change what's wrong, say how you know, and a reviewer publishes it, usually within a minute. Last touched 2026-09-12.

01edit any field on a page of its own
02a model checks it for accuracy and spam
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edit this record →back to the registry

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risk mix of the 8 listed

caution100%

0 of 8 encrypted

Port :2583MON monitoring system

Technical Details

Security Information

Related Ports

Port 2583MON monitoring system