← Port Encyclopedia
323
Port-323
TCP
System
Low Risk
Reserved or unassigned port 323 — may appear in network scans as open, closed, or filtered
🔍 How to Scan Port 323
nmap -sV -p 323 target
nmap -sV -sC --script=banner -p 323 target
nc -zv target 323
🛡️ Security Considerations
- Scan port 323 with
nmap -sVto identify the exact service and version - If Port-323 is not needed, close or firewall this port immediately
- Check for default credentials if a management interface runs on this port
- Use
searchsploit port-323to find known exploits - Monitor traffic on port 323 with Wireshark or tcpdump for anomalies
- Ensure the service is patched to the latest version to prevent known CVE exploitation