← 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 -sV to 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-web to 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

🔗 Related Remote Access Ports

Port 22
SSH
Port 23
Telnet
Port 512
rexec
Port 513
rlogin
Port 543
Klogin
Port 544
Kshell
Port 1494
Citrix-ICA
Port 1500
RDP-Alt
Port 2222
SSH-Alt
Port 2323
Telnet-Alt
Port 2598
Citrix-CGP
Port 3283
Apple-Remote
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