← Port Encyclopedia
427
SLP
TCP/UDP
Network Medium Risk
Service Location Protocol — service discovery, can leak internal services

🔍 How to Scan Port 427

nmap -sV -p 427 target
nmap -sV -sC --script=banner -p 427 target
nc -zv target 427

🛡️ Security Considerations

  • Scan port 427 with nmap -sV to identify the exact service and version
  • If SLP is not needed, close or firewall this port immediately
  • Check for default credentials if a management interface runs on this port
  • Use searchsploit slp to find known exploits
  • Monitor traffic on port 427 with Wireshark or tcpdump for anomalies
  • Ensure the service is patched to the latest version to prevent known CVE exploitation