Is port 106 (3COM-TSMUX) dangerous?

Port 106 is classified as medium risk. It is commonly exposed but consider using encrypted alternatives where available and monitor activity.

Should port 106 be open on my firewall?

Port 106 can be open but should be monitored closely. Keep the service updated and prefer encrypted alternatives where available.

What transport protocol does port 106 use?

Port 106 (3COM-TSMUX) uses the TCP/UDP transport protocol and falls under the System & Infrastructure category.

:106 (TCP/UDP)

3COM-TSMUX

Medium Risk

TCP/UDP — System & Infrastructure

Port Overview

Port Number 106

Service Name 3COM-TSMUX

Transport Protocol TCP/UDP

Category System & Infrastructure

Security Risk Medium

Port Range Well-Known (0-1023)

What is Port 106?

3COM-TSMUX. A multiplexing service from 3Com Corporation for terminal server connections. Also known as poppassd for password changes on some systems.

TCP/UDP System & Infrastructure

Security Considerations

Port 106 (3COM-TSMUX) 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