Port
Port 1434 — MS SQL monitor
Port 1434 (UDP) is used by MS SQL monitor. SQL Server Browser service.
Port 1434 at a glance
| Property | Value |
|---|---|
| Port number | 1434 |
| Transport | UDP |
| Service | MS SQL monitor |
| Category | Registered port |
What it is used for
SQL Server Browser service.
Security considerations
Slammer worm target; firewall it.
See our full TCP/UDP port reference and learn how firewalls filter ports in the CyberOps course.
Frequently asked questions
What is port 1434 used for?
Port 1434 (UDP) is used by MS SQL monitor. SQL Server Browser service.
Is port 1434 TCP or UDP?
Port 1434 uses UDP.
Is it safe to open port 1434?
Slammer worm target; firewall it.
Related
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