← Port Encyclopedia
111

RPCbind

TCP/UDP
System High Risk
RPC portmapper — reveals available RPC services, NFS enumeration starting point

🔍 How to Scan Port 111

nmap -sV -p 111 target
nmap -sV -sC --script=banner -p 111 target
nc -zv target 111

🛡️ Security Considerations

  • Scan port 111 with nmap -sV to identify the exact service and version
  • If RPCbind is not needed, close or firewall this port immediately
  • Check for default credentials if a management interface runs on this port
  • Use searchsploit rpcbind to find known exploits
  • Monitor traffic on port 111 with Wireshark or tcpdump for anomalies
  • Ensure the service is patched to the latest version to prevent known CVE exploitation
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