All ports

Port622/UDP

collaborator

Port

622

Protocol

UDP

Category

Well-Known

Service

collaborator

What is port 622?

Port 622/UDP is a Well-Known port, assigned by IANA for widely recognized services. It is associated with the collaborator service.

Collaborator

Useful commands

nmapnmap -p 622 -sV example.com
netcatnc -zv example.com 622
curlcurl -v http://example.com:622/
telnettelnet example.com 622
bash(echo > /dev/udp/example.com/622) 2>/dev/null

Firewall commands

UFWAllow
sudo ufw allow 622/udp
Deny
sudo ufw deny 622/udp
iptablesAllow
sudo iptables -A INPUT -p udp --dport 622 -j ACCEPT
Deny
sudo iptables -D INPUT -p udp --dport 622 -j ACCEPT
firewalldAllow
sudo firewall-cmd --permanent --add-port=622/udp
WindowsAllow
netsh advfirewall firewall add rule name="Open Port 622" dir=in action=allow protocol=UDP localport=622

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  • Outdated versions with vulnerabilities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 622/UDP?

Port 622/UDP is associated with the collaborator service. Collaborator

Is it safe to expose port 622 to the Internet?

It depends on the service and configuration. Port 622 (collaborator) is a Well-Known 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 622 is open?

You can use nmap: `nmap -p 622 -sV example.com`, netcat: `nc -zv example.com 622`, or the bash command: `(echo > /dev/udp/example.com/622) 2>/dev/null && echo "Open" || echo "Closed"`.

How do I open or close port 622 on my firewall?

On Linux with UFW: `sudo ufw allow 622/udp` (open) or `sudo ufw deny 622/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 622 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 622" dir=in action=allow protocol=UDP localport=622`.

What applications and services use port 622?

Port 622/UDP is used by the collaborator service. Specific uses depend on the software and configuration. Check our related tools section for more information.