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 Risco

UDP — System & Infrastructure

Visão geral da porta

Número de porta 4789

Nome do serviço VXLAN

Protocolo de transporte UDP

Categoria System & Infrastructure

Risco de segurança Medium

Intervalo de portas Registradas (1024-49151)

O que é a porta 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 Comumente usadas

Considerações de segurança

A porta 4789 (VXLAN) é classificada como risco médio. Embora este serviço seja comumente exposto, considere usar alternativas criptografadas quando disponíveis.

Recomendação: Mantenha o serviço atualizado. Monitore os logs em busca de atividades incomuns.

Portas relacionadas — System & Infrastructure

0 Reserved 1 TCPMUX 2 Management Utility 3 CompressNET 4 Unassigned 5 RJE 6 Unassigned 7 Echo

Termos relacionados

Bandwidth Latency Packet Loss Ping Throughput ASN