All ports
Port12004/TCP
entextlowPort
12004
Protocol
TCP
Category
Registered
Service
entextlow
What is port 12004?
Port 12004/TCP is a Registered port, registered with IANA for specific applications. It is associated with the entextlow service.
IBM Enterprise Extender SNA COS Low Priority
Useful commands
nmapnmap -p 12004 -sV example.comnetcatnc -zv example.com 12004curlcurl -v http://example.com:12004/telnettelnet example.com 12004bash(echo > /dev/tcp/example.com/12004) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 12004/tcpDeny
sudo ufw deny 12004/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 12004 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 12004 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=12004/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 12004" dir=in action=allow protocol=TCP localport=12004Security 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- Outdated versions with vulnerabilities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 12004/TCP?
Port 12004/TCP is associated with the entextlow service. IBM Enterprise Extender SNA COS Low Priority
Is it safe to expose port 12004 to the Internet?
It depends on the service and configuration. Port 12004 (entextlow) 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 12004 is open?
You can use nmap: `nmap -p 12004 -sV example.com`, netcat: `nc -zv example.com 12004`, or the bash command: `(echo > /dev/tcp/example.com/12004) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 12004 on my firewall?
On Linux with UFW: `sudo ufw allow 12004/tcp` (open) or `sudo ufw deny 12004/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 12004 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 12004" dir=in action=allow protocol=TCP localport=12004`.
What applications and services use port 12004?
Port 12004/TCP is used by the entextlow service. Specific uses depend on the software and configuration. Check our related tools section for more information.