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 Risiko

TCP — System & Infrastructure

Ikhtisar Port

Nomor Port 1688

Nama Layanan Microsoft KMS

Protokol Transport TCP

Kategori System & Infrastructure

Risiko Keamanan Low

Rentang Port Terdaftar (1024-49151)

Apa itu Port 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 Umum Digunakan

Pertimbangan Keamanan

Port 1688 (Microsoft KMS) diklasifikasikan sebagai risiko rendah. Layanan ini menggunakan enkripsi atau memiliki permukaan serangan yang minimal, sehingga relatif aman untuk diekspos.

Rekomendasi: Terapkan praktik keamanan standar. Jaga perangkat lunak tetap diperbarui dan pantau akses.

Port Terkait — System & Infrastructure

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

Istilah Terkait

Bandwidth Latency Packet Loss Ping Throughput ASN