137

UDP

NETBIOS-NS

NetBIOS Name Service

🔓 Security: InsecureStatus: Deprecated⚙️ Category: Other

📋 Basic Information

Port Number
137
Protocol
UDP
Service
NETBIOS-NS
Popularity
Low
Description
NetBIOS Name Service for Windows network name resolution
Tags
windowsnetbioslegacy

🔗 Related Ports

138

NETBIOS-DGM

NetBIOS Datagram Service

UDP

NetBIOS Datagram Service for broadcast messaging

🔓 Security: Insecure⚙️ Category: Other⚠️ deprecated
139

NETBIOS-SSN

NetBIOS Session Service

TCP

NetBIOS Session Service for Windows file and printer sharing

🔓 Security: Insecure📁 Category: File Transfer⚠️ deprecated

📚 References