← Port Encyclopedia
19
Chargen
TCP/UDP
System
Medium Risk
Character Generator — can be abused for amplification DDoS attacks
🔍 How to Scan Port 19
nmap -sV -p 19 target
nmap -sV -sC --script=banner -p 19 target
nc -zv target 19
🛡️ Security Considerations
- Scan port 19 with
nmap -sVto identify the exact service and version - If Chargen is not needed, close or firewall this port immediately
- Check for default credentials if a management interface runs on this port
- Use
searchsploit chargento find known exploits - Monitor traffic on port 19 with Wireshark or tcpdump for anomalies
- Ensure the service is patched to the latest version to prevent known CVE exploitation