All ports
Port12002/UDP
entexthighPort
12002
Protocol
UDP
Category
Registered
Service
entexthigh
What is port 12002?
Port 12002/UDP is a Registered port, registered with IANA for specific applications. It is associated with the entexthigh service.
IBM Enterprise Extender SNA COS High Priority
Useful commands
nmapnmap -p 12002 -sV example.comnetcatnc -zv example.com 12002curlcurl -v http://example.com:12002/telnettelnet example.com 12002bash(echo > /dev/udp/example.com/12002) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 12002/udpDeny
sudo ufw deny 12002/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 12002 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 12002 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=12002/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 12002" dir=in action=allow protocol=UDP localport=12002Security 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- Outdated versions with vulnerabilities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 12002/UDP?
Port 12002/UDP is associated with the entexthigh service. IBM Enterprise Extender SNA COS High Priority
Is it safe to expose port 12002 to the Internet?
It depends on the service and configuration. Port 12002 (entexthigh) 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 12002 is open?
You can use nmap: `nmap -p 12002 -sV example.com`, netcat: `nc -zv example.com 12002`, or the bash command: `(echo > /dev/udp/example.com/12002) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 12002 on my firewall?
On Linux with UFW: `sudo ufw allow 12002/udp` (open) or `sudo ufw deny 12002/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 12002 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 12002" dir=in action=allow protocol=UDP localport=12002`.
What applications and services use port 12002?
Port 12002/UDP is used by the entexthigh service. Specific uses depend on the software and configuration. Check our related tools section for more information.