All ports
Port11321/TCP
arena-serverPort
11321
Protocol
TCP
Category
Registered
Service
arena-server
What is port 11321?
Port 11321/TCP is a Registered port, registered with IANA for specific applications. It is associated with the arena-server service.
Arena Server Listen
Useful commands
nmapnmap -p 11321 -sV example.comnetcatnc -zv example.com 11321curlcurl -v http://example.com:11321/telnettelnet example.com 11321bash(echo > /dev/tcp/example.com/11321) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 11321/tcpDeny
sudo ufw deny 11321/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 11321 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 11321 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=11321/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 11321" dir=in action=allow protocol=TCP localport=11321Security 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- Outdated versions with vulnerabilities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 11321/TCP?
Port 11321/TCP is associated with the arena-server service. Arena Server Listen
Is it safe to expose port 11321 to the Internet?
It depends on the service and configuration. Port 11321 (arena-server) 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 11321 is open?
You can use nmap: `nmap -p 11321 -sV example.com`, netcat: `nc -zv example.com 11321`, or the bash command: `(echo > /dev/tcp/example.com/11321) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 11321 on my firewall?
On Linux with UFW: `sudo ufw allow 11321/tcp` (open) or `sudo ufw deny 11321/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 11321 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 11321" dir=in action=allow protocol=TCP localport=11321`.
What applications and services use port 11321?
Port 11321/TCP is used by the arena-server service. Specific uses depend on the software and configuration. Check our related tools section for more information.