All ports
Port23402/TCP
novar-globalPort
23402
Protocol
TCP
Category
Registered
Service
novar-global
What is port 23402?
Port 23402/TCP is a Registered port, registered with IANA for specific applications. It is associated with the novar-global service.
Novar Global
Useful commands
nmapnmap -p 23402 -sV example.comnetcatnc -zv example.com 23402curlcurl -v http://example.com:23402/telnettelnet example.com 23402bash(echo > /dev/tcp/example.com/23402) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 23402/tcpDeny
sudo ufw deny 23402/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 23402 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 23402 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=23402/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 23402" dir=in action=allow protocol=TCP localport=23402Security 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- Outdated versions with vulnerabilities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 23402/TCP?
Port 23402/TCP is associated with the novar-global service. Novar Global
Is it safe to expose port 23402 to the Internet?
It depends on the service and configuration. Port 23402 (novar-global) 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 23402 is open?
You can use nmap: `nmap -p 23402 -sV example.com`, netcat: `nc -zv example.com 23402`, or the bash command: `(echo > /dev/tcp/example.com/23402) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 23402 on my firewall?
On Linux with UFW: `sudo ufw allow 23402/tcp` (open) or `sudo ufw deny 23402/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 23402 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 23402" dir=in action=allow protocol=TCP localport=23402`.
What applications and services use port 23402?
Port 23402/TCP is used by the novar-global service. Specific uses depend on the software and configuration. Check our related tools section for more information.