All ports
Port3328/UDP
egptlmPort
3328
Protocol
UDP
Category
Registered
Service
egptlm
What is port 3328?
Port 3328/UDP is a Registered port, registered with IANA for specific applications. It is associated with the egptlm service.
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Useful commands
nmapnmap -p 3328 -sV example.comnetcatnc -zv example.com 3328curlcurl -v http://example.com:3328/telnettelnet example.com 3328bash(echo > /dev/udp/example.com/3328) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 3328/udpDeny
sudo ufw deny 3328/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 3328 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 3328 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=3328/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 3328" dir=in action=allow protocol=UDP localport=3328Security 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- Outdated versions with vulnerabilities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 3328/UDP?
Port 3328/UDP is associated with the egptlm service. Eaglepoint License Manager
Is it safe to expose port 3328 to the Internet?
It depends on the service and configuration. Port 3328 (egptlm) 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 3328 is open?
You can use nmap: `nmap -p 3328 -sV example.com`, netcat: `nc -zv example.com 3328`, or the bash command: `(echo > /dev/udp/example.com/3328) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 3328 on my firewall?
On Linux with UFW: `sudo ufw allow 3328/udp` (open) or `sudo ufw deny 3328/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 3328 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 3328" dir=in action=allow protocol=UDP localport=3328`.
What applications and services use port 3328?
Port 3328/UDP is used by the egptlm service. Specific uses depend on the software and configuration. Check our related tools section for more information.