Is port 1688 (Microsoft KMS) dangerous?

Port 1688 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 1688 be open on my firewall?

Port 1688 is generally safe to have open. Apply standard security practices: keep software updated and monitor access logs.

What transport protocol does port 1688 use?

Port 1688 (Microsoft KMS) uses the TCP transport protocol and falls under the System & Infrastructure category.

:1688 (TCP)

Microsoft KMS

Low Risco

TCP — System & Infrastructure

Visão geral da porta

Número de porta 1688

Nome do serviço Microsoft KMS

Protocolo de transporte TCP

Categoria System & Infrastructure

Risco de segurança Low

Intervalo de portas Registradas (1024-49151)

O que é a porta 1688?

Port 1688 is used by Microsoft Key Management Service (KMS) for volume license activation of Windows and Office products. Organizations with volume licensing use a KMS server to activate multiple Microsoft products without individual product keys. This port must be accessible from all machines that need KMS activation.

TCP System & Infrastructure Comumente usadas

Considerações de segurança

A porta 1688 (Microsoft KMS) é classificada como baixo risco. Este serviço usa criptografia ou tem uma superfície de ataque mínima, tornando-o relativamente seguro para expor.

Recomendação: Aplique práticas de segurança padrão. Mantenha o software atualizado e monitore o acesso.

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