← Port Encyclopedia
4022
DNSSEC
TCP
DNS
Medium Risk
DNSSEC — DNS Security Extensions debugging
🔍 How to Scan Port 4022
nmap -sV -p 4022 target
nmap -sV -sC --script=banner -p 4022 target
nc -zv target 4022
🛡️ Security Considerations
- Scan port 4022 with
nmap -sVto identify the exact service and version - If DNSSEC is not needed, close or firewall this port immediately
- Check for default credentials if a management interface runs on this port
- Use
searchsploit dnssecto find known exploits - Monitor traffic on port 4022 with Wireshark or tcpdump for anomalies
- Ensure the service is patched to the latest version to prevent known CVE exploitation