All ports
Port397/UDP
mptnPort
397
Protocol
UDP
Category
Well-Known
Service
mptn
What is port 397?
Port 397/UDP is a Well-Known port, assigned by IANA for widely recognized services. It is associated with the mptn service.
Multi Protocol Trans. Net.
Useful commands
nmapnmap -p 397 -sV example.comnetcatnc -zv example.com 397curlcurl -v http://example.com:397/telnettelnet example.com 397bash(echo > /dev/udp/example.com/397) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 397/udpDeny
sudo ufw deny 397/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 397 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 397 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=397/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 397" dir=in action=allow protocol=UDP localport=397Security Risks
- Unauthorized access to the service
- Data exposure if the service is unauthenticated
- Outdated versions with vulnerabilities
- Incorrect service configuration
Frequently Asked Questions
What service runs on port 397/UDP?
Port 397/UDP is associated with the mptn service. Multi Protocol Trans. Net.
Is it safe to expose port 397 to the Internet?
It depends on the service and configuration. Port 397 (mptn) is a Well-Known port. If you need to expose it, keep the service updated, use strong authentication, and configure a firewall. It's always recommended to restrict access by IP when possible.
How do I check if port 397 is open?
You can use nmap: `nmap -p 397 -sV example.com`, netcat: `nc -zv example.com 397`, or the bash command: `(echo > /dev/udp/example.com/397) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 397 on my firewall?
On Linux with UFW: `sudo ufw allow 397/udp` (open) or `sudo ufw deny 397/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 397 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 397" dir=in action=allow protocol=UDP localport=397`.
What applications and services use port 397?
Port 397/UDP is used by the mptn service. Specific uses depend on the software and configuration. Check our related tools section for more information.