Is port 72 (NETRJS-2) dangerous?

Port 72 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 72 be open on my firewall?

Port 72 is generally safe to have open. Apply standard security practices: keep software updated and monitor access logs.

What transport protocol does port 72 use?

Port 72 (NETRJS-2) uses the TCP/UDP transport protocol and falls under the System & Infrastructure category.

:72 (TCP/UDP)

NETRJS-2

Low Riesgo

TCP/UDP — System & Infrastructure

Resumen del puerto

Número de puerto 72

Nombre del servicio NETRJS-2

Protocolo de transporte TCP/UDP

Categoría System & Infrastructure

Riesgo de seguridad Low

Rango de puertos Conocidos (0-1023)

Qué es el puerto 72?

NETRJS-2 is the second of four ports (71-74) assigned to the ARPANET Remote Job Entry service for submitting batch workloads to remote mainframes. Defined in RFC 740 and used in the early ARPANET environment of the 1970s. It is completely obsolete.

TCP/UDP System & Infrastructure

Consideraciones de seguridad

El puerto 72 (NETRJS-2) 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