All ports
Port2129/UDP
cs-livePort
2129
Protocol
UDP
Category
Registered
Service
cs-live
What is port 2129?
Port 2129/UDP is a Registered port, registered with IANA for specific applications. It is associated with the cs-live service.
cs-live.com
Useful commands
nmapnmap -p 2129 -sV example.comnetcatnc -zv example.com 2129curlcurl -v http://example.com:2129/telnettelnet example.com 2129bash(echo > /dev/udp/example.com/2129) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 2129/udpDeny
sudo ufw deny 2129/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 2129 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 2129 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=2129/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 2129" dir=in action=allow protocol=UDP localport=2129Security 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- Outdated versions with vulnerabilities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 2129/UDP?
Port 2129/UDP is associated with the cs-live service. cs-live.com
Is it safe to expose port 2129 to the Internet?
It depends on the service and configuration. Port 2129 (cs-live) 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 2129 is open?
You can use nmap: `nmap -p 2129 -sV example.com`, netcat: `nc -zv example.com 2129`, or the bash command: `(echo > /dev/udp/example.com/2129) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 2129 on my firewall?
On Linux with UFW: `sudo ufw allow 2129/udp` (open) or `sudo ufw deny 2129/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 2129 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 2129" dir=in action=allow protocol=UDP localport=2129`.
What applications and services use port 2129?
Port 2129/UDP is used by the cs-live service. Specific uses depend on the software and configuration. Check our related tools section for more information.