Is port 102 (ISO-TSAP) dangerous?

Port 102 is classified as medium risk. It is commonly exposed but consider using encrypted alternatives where available and monitor activity.

Should port 102 be open on my firewall?

Port 102 can be open but should be monitored closely. Keep the service updated and prefer encrypted alternatives where available.

What transport protocol does port 102 use?

Port 102 (ISO-TSAP) uses the TCP transport protocol and falls under the System & Infrastructure category.

:102 (TCP)

ISO-TSAP

Medium Risk

TCP — System & Infrastructure

Port Overview

Port Number 102

Service Name ISO-TSAP

Transport Protocol TCP

Category System & Infrastructure

Security Risk Medium

Port Range Well-Known (0-1023)

What is Port 102?

ISO-TSAP (Transport Service Access Point) is part of the OSI protocol stack, providing transport layer services as defined in ISO 8072/8073. It remains in use in specialized industrial, healthcare (HL7), and telecom environments.

TCP System & Infrastructure

Security Considerations

Port 102 (ISO-TSAP) 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