All ports
Port6634/UDP
mpls-pmPort
6634
Protocol
UDP
Category
Registered
Service
mpls-pm
What is port 6634?
Port 6634/UDP is a Registered port, registered with IANA for specific applications. It is associated with the mpls-pm service.
MPLS Performance Measurement out-of-band response
Useful commands
nmapnmap -p 6634 -sV example.comnetcatnc -zv example.com 6634curlcurl -v http://example.com:6634/telnettelnet example.com 6634bash(echo > /dev/udp/example.com/6634) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 6634/udpDeny
sudo ufw deny 6634/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 6634 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 6634 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=6634/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 6634" dir=in action=allow protocol=UDP localport=6634Security 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- Outdated versions with vulnerabilities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 6634/UDP?
Port 6634/UDP is associated with the mpls-pm service. MPLS Performance Measurement out-of-band response
Is it safe to expose port 6634 to the Internet?
It depends on the service and configuration. Port 6634 (mpls-pm) is a Registered 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 6634 is open?
You can use nmap: `nmap -p 6634 -sV example.com`, netcat: `nc -zv example.com 6634`, or the bash command: `(echo > /dev/udp/example.com/6634) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 6634 on my firewall?
On Linux with UFW: `sudo ufw allow 6634/udp` (open) or `sudo ufw deny 6634/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 6634 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 6634" dir=in action=allow protocol=UDP localport=6634`.
What applications and services use port 6634?
Port 6634/UDP is used by the mpls-pm service. Specific uses depend on the software and configuration. Check our related tools section for more information.