← Port Encyclopedia
22
SSH
TCP
Remote Access
Critical Risk
Secure Shell — encrypted remote access, brute force target, key-based auth recommended
🔍 How to Scan Port 22
nmap -sV -p 22 target
nmap -sV -sC --script=banner -p 22 target
nc -zv target 22
🛡️ Security Considerations
- Scan port 22 with
nmap -sVto identify the exact service and version - If SSH is not needed, close or firewall this port immediately
- Check for default credentials if a management interface runs on this port
- Use
searchsploit sshto find known exploits - Monitor traffic on port 22 with Wireshark or tcpdump for anomalies
- Ensure the service is patched to the latest version to prevent known CVE exploitation