← Port Encyclopedia
156
Port-156
TCP
System
Low Risk
Reserved or unassigned port 156 — may appear in network scans as open, closed, or filtered
🔍 How to Scan Port 156
nmap -sV -p 156 target
nmap -sV -sC --script=banner -p 156 target
nc -zv target 156
🛡️ Security Considerations
- Scan port 156 with
nmap -sVto identify the exact service and version - If Port-156 is not needed, close or firewall this port immediately
- Check for default credentials if a management interface runs on this port
- Use
searchsploit port-156to find known exploits - Monitor traffic on port 156 with Wireshark or tcpdump for anomalies
- Ensure the service is patched to the latest version to prevent known CVE exploitation