All ports
Port1791/TCP
ea1Port
1791
Protocol
TCP
Category
Registered
Service
ea1
What is port 1791?
Port 1791/TCP is a Registered port, registered with IANA for specific applications. It is associated with the ea1 service.
EA1
Useful commands
nmapnmap -p 1791 -sV example.comnetcatnc -zv example.com 1791curlcurl -v http://example.com:1791/telnettelnet example.com 1791bash(echo > /dev/tcp/example.com/1791) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 1791/tcpDeny
sudo ufw deny 1791/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 1791 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 1791 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=1791/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 1791" dir=in action=allow protocol=TCP localport=1791Security 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- Outdated versions with vulnerabilities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 1791/TCP?
Port 1791/TCP is associated with the ea1 service. EA1
Is it safe to expose port 1791 to the Internet?
It depends on the service and configuration. Port 1791 (ea1) 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 1791 is open?
You can use nmap: `nmap -p 1791 -sV example.com`, netcat: `nc -zv example.com 1791`, or the bash command: `(echo > /dev/tcp/example.com/1791) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 1791 on my firewall?
On Linux with UFW: `sudo ufw allow 1791/tcp` (open) or `sudo ufw deny 1791/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 1791 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 1791" dir=in action=allow protocol=TCP localport=1791`.
What applications and services use port 1791?
Port 1791/TCP is used by the ea1 service. Specific uses depend on the software and configuration. Check our related tools section for more information.