All ports
Port6635/UDP
mpls-udpPort
6635
Protocol
UDP
Category
Registered
Service
mpls-udp
What is port 6635?
Port 6635/UDP is a Registered port, registered with IANA for specific applications. It is associated with the mpls-udp service.
Encapsulate MPLS packets in UDP tunnels.
Useful commands
nmapnmap -p 6635 -sV example.comnetcatnc -zv example.com 6635curlcurl -v http://example.com:6635/telnettelnet example.com 6635bash(echo > /dev/udp/example.com/6635) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 6635/udpDeny
sudo ufw deny 6635/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 6635 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 6635 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=6635/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 6635" dir=in action=allow protocol=UDP localport=6635Security 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- Outdated versions with vulnerabilities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 6635/UDP?
Port 6635/UDP is associated with the mpls-udp service. Encapsulate MPLS packets in UDP tunnels.
Is it safe to expose port 6635 to the Internet?
It depends on the service and configuration. Port 6635 (mpls-udp) 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 6635 is open?
You can use nmap: `nmap -p 6635 -sV example.com`, netcat: `nc -zv example.com 6635`, or the bash command: `(echo > /dev/udp/example.com/6635) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 6635 on my firewall?
On Linux with UFW: `sudo ufw allow 6635/udp` (open) or `sudo ufw deny 6635/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 6635 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 6635" dir=in action=allow protocol=UDP localport=6635`.
What applications and services use port 6635?
Port 6635/UDP is used by the mpls-udp service. Specific uses depend on the software and configuration. Check our related tools section for more information.