All ports
Port11877/UDP
x2e-discPort
11877
Protocol
UDP
Category
Registered
Service
x2e-disc
What is port 11877?
Port 11877/UDP is a Registered port, registered with IANA for specific applications. It is associated with the x2e-disc service.
X2E service discovery protocol
Useful commands
nmapnmap -p 11877 -sV example.comnetcatnc -zv example.com 11877curlcurl -v http://example.com:11877/telnettelnet example.com 11877bash(echo > /dev/udp/example.com/11877) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 11877/udpDeny
sudo ufw deny 11877/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 11877 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 11877 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=11877/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 11877" dir=in action=allow protocol=UDP localport=11877Security 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- Outdated versions with vulnerabilities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 11877/UDP?
Port 11877/UDP is associated with the x2e-disc service. X2E service discovery protocol
Is it safe to expose port 11877 to the Internet?
It depends on the service and configuration. Port 11877 (x2e-disc) 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 11877 is open?
You can use nmap: `nmap -p 11877 -sV example.com`, netcat: `nc -zv example.com 11877`, or the bash command: `(echo > /dev/udp/example.com/11877) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 11877 on my firewall?
On Linux with UFW: `sudo ufw allow 11877/udp` (open) or `sudo ufw deny 11877/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 11877 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 11877" dir=in action=allow protocol=UDP localport=11877`.
What applications and services use port 11877?
Port 11877/UDP is used by the x2e-disc service. Specific uses depend on the software and configuration. Check our related tools section for more information.