All ports
Port2784/TCP
www-devPort
2784
Protocol
TCP
Category
Registered
Service
www-dev
What is port 2784?
Port 2784/TCP is a Registered port, registered with IANA for specific applications. It is associated with the www-dev service.
world wide web - development
Useful commands
nmapnmap -p 2784 -sV example.comnetcatnc -zv example.com 2784curlcurl -v http://example.com:2784/telnettelnet example.com 2784bash(echo > /dev/tcp/example.com/2784) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 2784/tcpDeny
sudo ufw deny 2784/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 2784 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 2784 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=2784/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 2784" dir=in action=allow protocol=TCP localport=2784Security Risks
- SQL injection and cross-site scripting (XSS)
- Exposure of sensitive data due to lack of encryption
- Denial of service attacks (DoS)
- Directory traversal and exposure of sensitive files
- Brute force attacks against authentication forms
Frequently Asked Questions
What service runs on port 2784/TCP?
Port 2784/TCP is associated with the www-dev service. world wide web - development
Is it safe to expose port 2784 to the Internet?
It depends on the service and configuration. Port 2784 (www-dev) 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 2784 is open?
You can use nmap: `nmap -p 2784 -sV example.com`, netcat: `nc -zv example.com 2784`, or the bash command: `(echo > /dev/tcp/example.com/2784) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 2784 on my firewall?
On Linux with UFW: `sudo ufw allow 2784/tcp` (open) or `sudo ufw deny 2784/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 2784 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 2784" dir=in action=allow protocol=TCP localport=2784`.
What applications and services use port 2784?
Port 2784/TCP is used by the www-dev service. Specific uses depend on the software and configuration. Check our related tools section for more information.