Is port 1998 (Cisco X.25) dangerous?

Port 1998 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 1998 be open on my firewall?

Port 1998 is generally safe to have open. Apply standard security practices: keep software updated and monitor access logs.

What transport protocol does port 1998 use?

Port 1998 (Cisco X.25) uses the TCP transport protocol and falls under the System & Infrastructure category.

:1998 (TCP)

Cisco X.25

Low Riesgo

TCP — System & Infrastructure

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Resumen del puerto

Número de puerto 1998

Nombre del servicio Cisco X.25

Protocolo de transporte TCP

Categoría System & Infrastructure

Riesgo de seguridad Low

Rango de puertos Registrados (1024-49151)

Qué es el puerto 1998?

Port 1998 is used by Cisco for X.25 service access in IOS-based routers. X.25 is a legacy packet-switched WAN protocol that was widely used before Frame Relay and modern broadband. This port appears in legacy Cisco router configurations that still support X.25 connectivity.

TCP System & Infrastructure

Consideraciones de seguridad

El puerto 1998 (Cisco X.25) 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.

Cisco X.25

Resumen del puerto

Qué es el puerto 1998?

Consideraciones de seguridad

Puertos relacionados — System & Infrastructure

Términos relacionados