← Port Encyclopedia
4443
HTTPS-Alt
TCP
Web
High Risk
Alternative HTTPS — secondary secure web services
🔍 How to Scan Port 4443
nmap -sV -p 4443 target
nmap -sV -sC --script=banner -p 4443 target
nc -zv target 4443
🛡️ Security Considerations
- Scan port 4443 with
nmap -sVto identify the exact service and version - If HTTPS-Alt is not needed, close or firewall this port immediately
- Check for default credentials if a management interface runs on this port
- Use
searchsploit https-altto find known exploits - Monitor traffic on port 4443 with Wireshark or tcpdump for anomalies
- Ensure the service is patched to the latest version to prevent known CVE exploitation