Is port 27 (NSW-FE) dangerous?

Port 27 is classified as low risk. This service uses encryption or has a minimal attack surface, making it relatively safe to expose with standard security practices.

Should port 27 be open on my firewall?

Port 27 is generally safe to have open. Apply standard security practices: keep software updated and monitor access logs.

What transport protocol does port 27 use?

Port 27 (NSW-FE) uses the TCP/UDP transport protocol and falls under the System & Infrastructure category.

:27 (TCP/UDP)

NSW-FE

Low Riesgo

TCP/UDP — System & Infrastructure

Resumen del puerto

Número de puerto 27

Nombre del servicio NSW-FE

Protocolo de transporte TCP/UDP

Categoría System & Infrastructure

Riesgo de seguridad Low

Rango de puertos Conocidos (0-1023)

Qué es el puerto 27?

NSW User System Front End. Part of the NSW (National Software Works) system developed for ARPANET, providing a user interface to the NSW environment.

TCP/UDP System & Infrastructure

Consideraciones de seguridad

El puerto 27 (NSW-FE) está clasificado como bajo riesgo. Este servicio usa cifrado o tiene una superficie de ataque mínima, siendo relativamente seguro de exponer.

Recomendación: Aplica prácticas de seguridad estándar. Mantén el software actualizado y monitorea el acceso.

Puertos relacionados — System & Infrastructure

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

Términos relacionados

Bandwidth Latency Packet Loss Ping Throughput ASN