← Port Encyclopedia
5800
VNC-Web
TCP
Remote Access
High Risk
VNC Java web client — browser-based remote desktop access
🔍 How to Scan Port 5800
nmap -sV -p 5800 target
nmap -sV -sC --script=banner -p 5800 target
nc -zv target 5800
🛡️ Security Considerations
- Scan port 5800 with
nmap -sVto identify the exact service and version - If VNC-Web is not needed, close or firewall this port immediately
- Check for default credentials if a management interface runs on this port
- Use
searchsploit vnc-webto find known exploits - Monitor traffic on port 5800 with Wireshark or tcpdump for anomalies
- Ensure the service is patched to the latest version to prevent known CVE exploitation