← Port Encyclopedia
26
RSFTP
TCP
File Transfer Medium Risk
RSFTP — alternative SMTP port sometimes used to bypass port 25 filtering

🔍 How to Scan Port 26

nmap -sV -p 26 target
nmap -sV -sC --script=banner -p 26 target
nc -zv target 26

🛡️ Security Considerations

  • Scan port 26 with nmap -sV to identify the exact service and version
  • If RSFTP is not needed, close or firewall this port immediately
  • Check for default credentials if a management interface runs on this port
  • Use searchsploit rsftp to find known exploits
  • Monitor traffic on port 26 with Wireshark or tcpdump for anomalies
  • Ensure the service is patched to the latest version to prevent known CVE exploitation