All ports
Port2339/TCP
3com-webviewPort
2339
Protocol
TCP
Category
Registered
Service
3com-webview
What is port 2339?
Port 2339/TCP is a Registered port, registered with IANA for specific applications. It is associated with the 3com-webview service.
3Com WebView
Useful commands
nmapnmap -p 2339 -sV example.comnetcatnc -zv example.com 2339curlcurl -v http://example.com:2339/telnettelnet example.com 2339bash(echo > /dev/tcp/example.com/2339) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 2339/tcpDeny
sudo ufw deny 2339/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 2339 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 2339 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=2339/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 2339" dir=in action=allow protocol=TCP localport=2339Security 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- Outdated versions with vulnerabilities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 2339/TCP?
Port 2339/TCP is associated with the 3com-webview service. 3Com WebView
Is it safe to expose port 2339 to the Internet?
It depends on the service and configuration. Port 2339 (3com-webview) 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 2339 is open?
You can use nmap: `nmap -p 2339 -sV example.com`, netcat: `nc -zv example.com 2339`, or the bash command: `(echo > /dev/tcp/example.com/2339) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 2339 on my firewall?
On Linux with UFW: `sudo ufw allow 2339/tcp` (open) or `sudo ufw deny 2339/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 2339 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 2339" dir=in action=allow protocol=TCP localport=2339`.
What applications and services use port 2339?
Port 2339/TCP is used by the 3com-webview service. Specific uses depend on the software and configuration. Check our related tools section for more information.