← Port Encyclopedia
35871
SMB-Alt
TCP
Windows
High Risk
Alternative SMB — non-standard SMB port
🔍 How to Scan Port 35871
nmap -sV -p 35871 target
nmap -sV -sC --script=banner -p 35871 target
nc -zv target 35871
🛡️ Security Considerations
- Scan port 35871 with
nmap -sVto identify the exact service and version - If SMB-Alt is not needed, close or firewall this port immediately
- Check for default credentials if a management interface runs on this port
- Use
searchsploit smb-altto find known exploits - Monitor traffic on port 35871 with Wireshark or tcpdump for anomalies
- Ensure the service is patched to the latest version to prevent known CVE exploitation