Port 1512: WINS
Port 1512 is WINS, the Windows Internet Name Service that resolves NetBIOS computer names to IP addresses across routed networks. Microsoft has deprecated it in favor of DNS, but it still appears in some legacy Active Directory environments.
| Port number | 1512 |
|---|---|
| Service | Windows Internet Name Service |
| Protocol | TCP/UDP |
| Category | Windows |
| Default encryption | No |
Frequently asked questions
What is port 1512 used for?
Port 1512 is WINS, the Windows Internet Name Service that resolves NetBIOS computer names to IP addresses across routed networks. Microsoft has deprecated it in favor of DNS, but it still appears in some legacy Active Directory environments.
Is port 1512 TCP or UDP?
Port 1512 (WINS) uses TCP/UDP.
Is port 1512 secure?
Port 1512 is not encrypted by default. Where possible, use an encrypted alternative or tunnel it over TLS or a VPN.
Should I open port 1512 on my firewall?
Only if you specifically need WINS. Expose it to the smallest set of trusted sources, and never open database or Windows-service ports to the whole internet.