← Port Encyclopedia
42
WINS
TCP/UDP
Directory
Medium Risk
Windows Internet Name Service — NetBIOS name resolution, legacy Windows networks
🔍 How to Scan Port 42
nmap -sV -p 42 target
nmap -sV -sC --script=banner -p 42 target
nc -zv target 42
🛡️ Security Considerations
- Scan port 42 with
nmap -sVto identify the exact service and version - If WINS is not needed, close or firewall this port immediately
- Check for default credentials if a management interface runs on this port
- Use
searchsploit winsto find known exploits - Monitor traffic on port 42 with Wireshark or tcpdump for anomalies
- Ensure the service is patched to the latest version to prevent known CVE exploitation