Is port 47 (Reserved) dangerous?

Port 47 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 47 be open on my firewall?

Port 47 is generally safe to have open. Apply standard security practices: keep software updated and monitor access logs.

What transport protocol does port 47 use?

Port 47 (Reserved) uses the TCP/UDP transport protocol and falls under the System & Infrastructure category.

:47 (TCP/UDP)

Reserved

Low Riesgo

TCP/UDP — System & Infrastructure

Resumen del puerto

Número de puerto 47

Nombre del servicio Reserved

Protocolo de transporte TCP/UDP

Categoría System & Infrastructure

Riesgo de seguridad Low

Rango de puertos Conocidos (0-1023)

Qué es el puerto 47?

Port 47 is marked as reserved in the IANA registry. It has no assigned service or protocol.

TCP/UDP System & Infrastructure

Consideraciones de seguridad

El puerto 47 (Reserved) 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