← Port Encyclopedia
5521
Port-5521
TCP
Registered
Low Risk
Registered port 5521 — may be used by various applications and services
🔍 How to Scan Port 5521
nmap -sV -p 5521 target
nmap -sV -sC --script=banner -p 5521 target
nc -zv target 5521
🛡️ Security Considerations
- Scan port 5521 with
nmap -sVto identify the exact service and version - If Port-5521 is not needed, close or firewall this port immediately
- Check for default credentials if a management interface runs on this port
- Use
searchsploit port-5521to find known exploits - Monitor traffic on port 5521 with Wireshark or tcpdump for anomalies
- Ensure the service is patched to the latest version to prevent known CVE exploitation