← Port Encyclopedia
23023
Telnet-Alt
TCP
Remote Access
Medium Risk
Alternative Telnet — IoT management interface
🔍 How to Scan Port 23023
nmap -sV -p 23023 target
nmap -sV -sC --script=banner -p 23023 target
nc -zv target 23023
🛡️ Security Considerations
- Scan port 23023 with
nmap -sVto identify the exact service and version - If Telnet-Alt is not needed, close or firewall this port immediately
- Check for default credentials if a management interface runs on this port
- Use
searchsploit telnet-altto find known exploits - Monitor traffic on port 23023 with Wireshark or tcpdump for anomalies
- Ensure the service is patched to the latest version to prevent known CVE exploitation