All ports
Port1691/TCP
empire-empumaPort
1691
Protocol
TCP
Category
Registered
Service
empire-empuma
What is port 1691?
Port 1691/TCP is a Registered port, registered with IANA for specific applications. It is associated with the empire-empuma service.
empire-empuma
Useful commands
nmapnmap -p 1691 -sV example.comnetcatnc -zv example.com 1691curlcurl -v http://example.com:1691/telnettelnet example.com 1691bash(echo > /dev/tcp/example.com/1691) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 1691/tcpDeny
sudo ufw deny 1691/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 1691 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 1691 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=1691/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 1691" dir=in action=allow protocol=TCP localport=1691Security 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- Outdated versions with vulnerabilities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 1691/TCP?
Port 1691/TCP is associated with the empire-empuma service. empire-empuma
Is it safe to expose port 1691 to the Internet?
It depends on the service and configuration. Port 1691 (empire-empuma) 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 1691 is open?
You can use nmap: `nmap -p 1691 -sV example.com`, netcat: `nc -zv example.com 1691`, or the bash command: `(echo > /dev/tcp/example.com/1691) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 1691 on my firewall?
On Linux with UFW: `sudo ufw allow 1691/tcp` (open) or `sudo ufw deny 1691/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 1691 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 1691" dir=in action=allow protocol=TCP localport=1691`.
What applications and services use port 1691?
Port 1691/TCP is used by the empire-empuma service. Specific uses depend on the software and configuration. Check our related tools section for more information.