Is port 4789 (VXLAN) dangerous?

Port 4789 is classified as medium risk. It is commonly exposed but consider using encrypted alternatives where available and monitor activity.

Should port 4789 be open on my firewall?

Port 4789 can be open but should be monitored closely. Keep the service updated and prefer encrypted alternatives where available.

What transport protocol does port 4789 use?

Port 4789 (VXLAN) uses the UDP transport protocol and falls under the System & Infrastructure category.

:4789 (UDP)

VXLAN

Medium Riesgo

UDP — System & Infrastructure

Resumen del puerto

Número de puerto 4789

Nombre del servicio VXLAN

Protocolo de transporte UDP

Categoría System & Infrastructure

Riesgo de seguridad Medium

Rango de puertos Registrados (1024-49151)

Qué es el puerto 4789?

Port 4789 is the standard IANA-assigned port for VXLAN (Virtual Extensible LAN), a network virtualization protocol used extensively in cloud computing and software-defined networking. VXLAN encapsulates Layer 2 Ethernet frames within UDP packets to extend virtual networks across Layer 3 boundaries. It is heavily used by Docker, Kubernetes, and OpenStack for container and VM networking.

UDP System & Infrastructure De uso común

Consideraciones de seguridad

El puerto 4789 (VXLAN) está clasificado como riesgo medio. Aunque este servicio se expone comúnmente, considera usar alternativas cifradas cuando estén disponibles.

Recomendación: Mantén el servicio actualizado. Monitorea los registros en busca de actividad inusual.

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