← Port Encyclopedia
20547
ProFTPD
TCP
File Transfer
Medium Risk
ProFTPD — FTP server alternative port
🔍 How to Scan Port 20547
nmap -sV -p 20547 target
nmap -sV -sC --script=banner -p 20547 target
nc -zv target 20547
🛡️ Security Considerations
- Scan port 20547 with
nmap -sVto identify the exact service and version - If ProFTPD is not needed, close or firewall this port immediately
- Check for default credentials if a management interface runs on this port
- Use
searchsploit proftpdto find known exploits - Monitor traffic on port 20547 with Wireshark or tcpdump for anomalies
- Ensure the service is patched to the latest version to prevent known CVE exploitation