All ports
Port1822/TCP
es-elmdPort
1822
Protocol
TCP
Category
Registered
Service
es-elmd
What is port 1822?
Port 1822/TCP is a Registered port, registered with IANA for specific applications. It is associated with the es-elmd service.
es-elmd
Useful commands
nmapnmap -p 1822 -sV example.comnetcatnc -zv example.com 1822curlcurl -v http://example.com:1822/telnettelnet example.com 1822bash(echo > /dev/tcp/example.com/1822) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 1822/tcpDeny
sudo ufw deny 1822/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 1822 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 1822 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=1822/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 1822" dir=in action=allow protocol=TCP localport=1822Security 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- Outdated versions with vulnerabilities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 1822/TCP?
Port 1822/TCP is associated with the es-elmd service. es-elmd
Is it safe to expose port 1822 to the Internet?
It depends on the service and configuration. Port 1822 (es-elmd) 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 1822 is open?
You can use nmap: `nmap -p 1822 -sV example.com`, netcat: `nc -zv example.com 1822`, or the bash command: `(echo > /dev/tcp/example.com/1822) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 1822 on my firewall?
On Linux with UFW: `sudo ufw allow 1822/tcp` (open) or `sudo ufw deny 1822/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 1822 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 1822" dir=in action=allow protocol=TCP localport=1822`.
What applications and services use port 1822?
Port 1822/TCP is used by the es-elmd service. Specific uses depend on the software and configuration. Check our related tools section for more information.