Is port 1434 (MS SQL Browser) dangerous?

Port 1434 is classified as high risk. It is a common target for automated scanning and brute-force attacks. Restrict access to trusted IPs if exposure is necessary.

Should port 1434 be open on my firewall?

Port 1434 should only be open with strict firewall rules whitelisting trusted IP addresses. Enable rate limiting and intrusion detection systems.

What transport protocol does port 1434 use?

Port 1434 (MS SQL Browser) uses the UDP transport protocol and falls under the Database category.

:1434 (UDP)

MS SQL Browser

High Risiko

UDP — Database

On this page

Ikhtisar Port

Nomor Port 1434

Nama Layanan MS SQL Browser

Protokol Transport UDP

Kategori Database

Risiko Keamanan High

Rentang Port Terdaftar (1024-49151)

Apa itu Port 1434?

Microsoft SQL Server Browser Service. Provides instance discovery and connection information for named SQL Server instances on a host.

UDP Database

Pertimbangan Keamanan

Port 1434 (MS SQL Browser) diklasifikasikan sebagai risiko tinggi. Port ini adalah target umum untuk pemindaian otomatis dan serangan brute-force. Jika harus diekspos, batasi akses ke alamat IP yang diketahui.

Rekomendasi: Gunakan aturan firewall untuk memasukkan IP tepercaya ke whitelist. Aktifkan pembatasan kecepatan dan deteksi intrusi.

MS SQL Browser

Ikhtisar Port

Apa itu Port 1434?

Pertimbangan Keamanan

Port Terkait — Database

Istilah Terkait