All ports
Port3693/TCP
easlPort
3693
Protocol
TCP
Category
Registered
Service
easl
What is port 3693?
Port 3693/TCP is a Registered port, registered with IANA for specific applications. It is associated with the easl service.
Emergency Automatic Structure Lockdown System
Useful commands
nmapnmap -p 3693 -sV example.comnetcatnc -zv example.com 3693curlcurl -v http://example.com:3693/telnettelnet example.com 3693bash(echo > /dev/tcp/example.com/3693) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 3693/tcpDeny
sudo ufw deny 3693/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 3693 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 3693 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=3693/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 3693" dir=in action=allow protocol=TCP localport=3693Security 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- Outdated versions with vulnerabilities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 3693/TCP?
Port 3693/TCP is associated with the easl service. Emergency Automatic Structure Lockdown System
Is it safe to expose port 3693 to the Internet?
It depends on the service and configuration. Port 3693 (easl) 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 3693 is open?
You can use nmap: `nmap -p 3693 -sV example.com`, netcat: `nc -zv example.com 3693`, or the bash command: `(echo > /dev/tcp/example.com/3693) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 3693 on my firewall?
On Linux with UFW: `sudo ufw allow 3693/tcp` (open) or `sudo ufw deny 3693/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 3693 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 3693" dir=in action=allow protocol=TCP localport=3693`.
What applications and services use port 3693?
Port 3693/TCP is used by the easl service. Specific uses depend on the software and configuration. Check our related tools section for more information.