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 Risiko

UDP — System & Infrastructure

Ikhtisar Port

Nomor Port 4789

Nama Layanan VXLAN

Protokol Transport UDP

Kategori System & Infrastructure

Risiko Keamanan Medium

Rentang Port Terdaftar (1024-49151)

Apa itu Port 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 Umum Digunakan

Pertimbangan Keamanan

Port 4789 (VXLAN) diklasifikasikan sebagai risiko sedang. Meskipun layanan ini umumnya diekspos, pertimbangkan untuk menggunakan alternatif terenkripsi jika tersedia.

Rekomendasi: Jaga layanan tetap diperbarui. Pantau log untuk aktivitas yang tidak biasa.

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