← Port Encyclopedia
8765
Ultrasurf
TCP
Proxy Medium Risk
Ultrasurf — proxy/VPN tool for censorship circumvention

🔍 How to Scan Port 8765

nmap -sV -p 8765 target
nmap -sV -sC --script=banner -p 8765 target
nc -zv target 8765

🛡️ Security Considerations

  • Scan port 8765 with nmap -sV to identify the exact service and version
  • If Ultrasurf is not needed, close or firewall this port immediately
  • Check for default credentials if a management interface runs on this port
  • Use searchsploit ultrasurf to find known exploits
  • Monitor traffic on port 8765 with Wireshark or tcpdump for anomalies
  • Ensure the service is patched to the latest version to prevent known CVE exploitation