Port 1521 — Oracle DB
Oracle database listener port.
| Port number | 1521 |
|---|---|
| Service | Oracle DB |
| Transport | TCP |
| Category | Database |
Is port 1521 safe?
Keep behind the firewall; patch the listener.
Frequently asked questions
What is port 1521 used for?
Port 1521 (TCP) is the standard port for Oracle DB. Oracle database listener port.
Is port 1521 safe to open?
Keep behind the firewall; patch the listener.
Is port 1521 TCP or UDP?
Port 1521 commonly uses TCP.