All ports
Port3902/TCP
nimauxPort
3902
Protocol
TCP
Category
Registered
Service
nimaux
What is port 3902?
Port 3902/TCP is a Registered port, registered with IANA for specific applications. It is associated with the nimaux service.
NIMsh Auxiliary Port
Useful commands
nmapnmap -p 3902 -sV example.comnetcatnc -zv example.com 3902curlcurl -v http://example.com:3902/telnettelnet example.com 3902bash(echo > /dev/tcp/example.com/3902) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 3902/tcpDeny
sudo ufw deny 3902/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 3902 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 3902 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=3902/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 3902" dir=in action=allow protocol=TCP localport=3902Security 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- Outdated versions with vulnerabilities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 3902/TCP?
Port 3902/TCP is associated with the nimaux service. NIMsh Auxiliary Port
Is it safe to expose port 3902 to the Internet?
It depends on the service and configuration. Port 3902 (nimaux) 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 3902 is open?
You can use nmap: `nmap -p 3902 -sV example.com`, netcat: `nc -zv example.com 3902`, or the bash command: `(echo > /dev/tcp/example.com/3902) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 3902 on my firewall?
On Linux with UFW: `sudo ufw allow 3902/tcp` (open) or `sudo ufw deny 3902/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 3902 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 3902" dir=in action=allow protocol=TCP localport=3902`.
What applications and services use port 3902?
Port 3902/TCP is used by the nimaux service. Specific uses depend on the software and configuration. Check our related tools section for more information.