Is port 61 (Reserved) dangerous?

Port 61 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 61 be open on my firewall?

Port 61 is generally safe to have open. Apply standard security practices: keep software updated and monitor access logs.

What transport protocol does port 61 use?

Port 61 (Reserved) uses the TCP/UDP transport protocol and falls under the System & Infrastructure category.

:61 (TCP/UDP)

Reserved

Low Riesgo

TCP/UDP — System & Infrastructure

On this page

Resumen del puerto

Número de puerto 61

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 61?

Port 61 is marked as reserved in the IANA registry. It was historically associated with NI MAIL but has no modern service assignment.

TCP/UDP System & Infrastructure

Consideraciones de seguridad

El puerto 61 (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.

Reserved

Resumen del puerto

Qué es el puerto 61?

Consideraciones de seguridad

Puertos relacionados — System & Infrastructure

Términos relacionados