All ports
Port690/UDP
vatpPort
690
Protocol
UDP
Category
Well-Known
Service
vatp
What is port 690?
Port 690/UDP is a Well-Known port, assigned by IANA for widely recognized services. It is associated with the vatp service.
Velneo Application Transfer Protocol
Useful commands
nmapnmap -p 690 -sV example.comnetcatnc -zv example.com 690curlcurl -v http://example.com:690/telnettelnet example.com 690bash(echo > /dev/udp/example.com/690) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 690/udpDeny
sudo ufw deny 690/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 690 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 690 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=690/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 690" dir=in action=allow protocol=UDP localport=690Security 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- Outdated versions with vulnerabilities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 690/UDP?
Port 690/UDP is associated with the vatp service. Velneo Application Transfer Protocol
Is it safe to expose port 690 to the Internet?
It depends on the service and configuration. Port 690 (vatp) 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 690 is open?
You can use nmap: `nmap -p 690 -sV example.com`, netcat: `nc -zv example.com 690`, or the bash command: `(echo > /dev/udp/example.com/690) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 690 on my firewall?
On Linux with UFW: `sudo ufw allow 690/udp` (open) or `sudo ufw deny 690/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 690 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 690" dir=in action=allow protocol=UDP localport=690`.
What applications and services use port 690?
Port 690/UDP is used by the vatp service. Specific uses depend on the software and configuration. Check our related tools section for more information.