Is port 1521 (Oracle DB) dangerous?

Port 1521 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 1521 be open on my firewall?

Port 1521 should only be open with strict firewall rules whitelisting trusted IP addresses. Enable rate limiting and intrusion detection systems.

What transport protocol does port 1521 use?

Port 1521 (Oracle DB) uses the TCP transport protocol and falls under the Database category.

:1521 (TCP)

Oracle DB

High Risiko

TCP — Database

Ikhtisar Port

Nomor Port 1521

Nama Layanan Oracle DB

Protokol Transport TCP

Kategori Database

Risiko Keamanan High

Rentang Port Terdaftar (1024-49151)

Apa itu Port 1521?

Oracle Database listener. The default port for Oracle Database TNS (Transparent Network Substrate) connections. Enterprise database commonly used in large organizations.

TCP Database Umum Digunakan

Pertimbangan Keamanan

Port 1521 (Oracle DB) 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.

Port Terkait — Database

66 Oracle SQL*NET 118 SQL Services 134 INGRES-NET 142 BL-IDM 150 SQL-NET 156 SQL Service 181 Unify 188 MUMPS

Istilah Terkait

ASN BGP Hijack Data Center Domain Name Dual Stack Internet Exchange Point (IXP)