All ports

Port4427/TCP

drizzle

Port

4427

Protocol

TCP

Category

Registered

Service

drizzle

What is port 4427?

Port 4427/TCP is a Registered port, registered with IANA for specific applications. It is associated with the drizzle service.

Drizzle database server

Useful commands

nmapnmap -p 4427 -sV example.com
netcatnc -zv example.com 4427
curlcurl -v http://example.com:4427/
telnettelnet example.com 4427
bash(echo > /dev/tcp/example.com/4427) 2>/dev/null

Firewall commands

UFWAllow
sudo ufw allow 4427/tcp
Deny
sudo ufw deny 4427/tcp
iptablesAllow
sudo iptables -A INPUT -p tcp --dport 4427 -j ACCEPT
Deny
sudo iptables -D INPUT -p tcp --dport 4427 -j ACCEPT
firewalldAllow
sudo firewall-cmd --permanent --add-port=4427/tcp
WindowsAllow
netsh advfirewall firewall add rule name="Open Port 4427" dir=in action=allow protocol=TCP localport=4427

Security 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  • Outdated versions with vulnerabilities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 4427/TCP?

Port 4427/TCP is associated with the drizzle service. Drizzle database server

Is it safe to expose port 4427 to the Internet?

It depends on the service and configuration. Port 4427 (drizzle) 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 4427 is open?

You can use nmap: `nmap -p 4427 -sV example.com`, netcat: `nc -zv example.com 4427`, or the bash command: `(echo > /dev/tcp/example.com/4427) 2>/dev/null && echo "Open" || echo "Closed"`.

How do I open or close port 4427 on my firewall?

On Linux with UFW: `sudo ufw allow 4427/tcp` (open) or `sudo ufw deny 4427/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 4427 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 4427" dir=in action=allow protocol=TCP localport=4427`.

What applications and services use port 4427?

Port 4427/TCP is used by the drizzle service. Specific uses depend on the software and configuration. Check our related tools section for more information.