← Port Encyclopedia
199
SMUX
TCP
Network
Medium Risk
SNMP Unix Multiplexer — SNMP proxy on Unix systems
🔍 How to Scan Port 199
nmap -sV -p 199 target
nmap -sV -sC --script=banner -p 199 target
nc -zv target 199
🛡️ Security Considerations
- Scan port 199 with
nmap -sVto identify the exact service and version - If SMUX is not needed, close or firewall this port immediately
- Check for default credentials if a management interface runs on this port
- Use
searchsploit smuxto find known exploits - Monitor traffic on port 199 with Wireshark or tcpdump for anomalies
- Ensure the service is patched to the latest version to prevent known CVE exploitation