All ports
Port2820/TCP
univisionPort
2820
Protocol
TCP
Category
Registered
Service
univision
What is port 2820?
Port 2820/TCP is a Registered port, registered with IANA for specific applications. It is associated with the univision service.
UniVision
Useful commands
nmapnmap -p 2820 -sV example.comnetcatnc -zv example.com 2820curlcurl -v http://example.com:2820/telnettelnet example.com 2820bash(echo > /dev/tcp/example.com/2820) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 2820/tcpDeny
sudo ufw deny 2820/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 2820 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 2820 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=2820/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 2820" dir=in action=allow protocol=TCP localport=2820Security 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- Outdated versions with vulnerabilities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 2820/TCP?
Port 2820/TCP is associated with the univision service. UniVision
Is it safe to expose port 2820 to the Internet?
It depends on the service and configuration. Port 2820 (univision) 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 2820 is open?
You can use nmap: `nmap -p 2820 -sV example.com`, netcat: `nc -zv example.com 2820`, or the bash command: `(echo > /dev/tcp/example.com/2820) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 2820 on my firewall?
On Linux with UFW: `sudo ufw allow 2820/tcp` (open) or `sudo ufw deny 2820/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 2820 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 2820" dir=in action=allow protocol=TCP localport=2820`.
What applications and services use port 2820?
Port 2820/TCP is used by the univision service. Specific uses depend on the software and configuration. Check our related tools section for more information.