All ports
Port28000/UDP
nxlmdPort
28000
Protocol
UDP
Category
Registered
Service
nxlmd
What is port 28000?
Port 28000/UDP is a Registered port, registered with IANA for specific applications. It is associated with the nxlmd service.
NX License Manager
Useful commands
nmapnmap -p 28000 -sV example.comnetcatnc -zv example.com 28000curlcurl -v http://example.com:28000/telnettelnet example.com 28000bash(echo > /dev/udp/example.com/28000) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 28000/udpDeny
sudo ufw deny 28000/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 28000 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 28000 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=28000/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 28000" dir=in action=allow protocol=UDP localport=28000Security 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- Outdated versions with vulnerabilities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 28000/UDP?
Port 28000/UDP is associated with the nxlmd service. NX License Manager
Is it safe to expose port 28000 to the Internet?
It depends on the service and configuration. Port 28000 (nxlmd) 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 28000 is open?
You can use nmap: `nmap -p 28000 -sV example.com`, netcat: `nc -zv example.com 28000`, or the bash command: `(echo > /dev/udp/example.com/28000) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 28000 on my firewall?
On Linux with UFW: `sudo ufw allow 28000/udp` (open) or `sudo ufw deny 28000/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 28000 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 28000" dir=in action=allow protocol=UDP localport=28000`.
What applications and services use port 28000?
Port 28000/UDP is used by the nxlmd service. Specific uses depend on the software and configuration. Check our related tools section for more information.