Is port 4949 (Munin) dangerous?

Port 4949 is classified as medium risk. It is commonly exposed but consider using encrypted alternatives where available and monitor activity.

Should port 4949 be open on my firewall?

Port 4949 can be open but should be monitored closely. Keep the service updated and prefer encrypted alternatives where available.

What transport protocol does port 4949 use?

Port 4949 (Munin) uses the TCP transport protocol and falls under the System & Infrastructure category.

:4949 (TCP)

Munin

Medium Risk

TCP — System & Infrastructure

Port Overview

Port Number 4949

Service Name Munin

Transport Protocol TCP

Category System & Infrastructure

Security Risk Medium

Port Range Registered (1024-49151)

What is Port 4949?

Port 4949 is used by Munin, an open-source networked resource monitoring tool that collects metrics from servers and generates graphs. Munin nodes listen on this port to respond to queries from the Munin master server. While Munin itself provides limited security controls, exposure of this port can leak detailed system performance data.

TCP System & Infrastructure

Security Considerations

Port 4949 (Munin) is classified as medium risk. While this service is commonly exposed, consider using encrypted alternatives where available.

Recommendation: Keep the service updated. Monitor logs for unusual activity.

Related Ports — System & Infrastructure

0 Reserved 1 TCPMUX 2 Management Utility 3 CompressNET 4 Unassigned 5 RJE 6 Unassigned 7 Echo

Related Terms

Bandwidth Latency Packet Loss Ping Throughput ASN