All ports
Port3490/UDP
colubrisPort
3490
Protocol
UDP
Category
Registered
Service
colubris
What is port 3490?
Port 3490/UDP is a Registered port, registered with IANA for specific applications. It is associated with the colubris service.
Colubris Management Port
Useful commands
nmapnmap -p 3490 -sV example.comnetcatnc -zv example.com 3490curlcurl -v http://example.com:3490/telnettelnet example.com 3490bash(echo > /dev/udp/example.com/3490) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 3490/udpDeny
sudo ufw deny 3490/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 3490 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 3490 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=3490/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 3490" dir=in action=allow protocol=UDP localport=3490Security 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- Outdated versions with vulnerabilities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 3490/UDP?
Port 3490/UDP is associated with the colubris service. Colubris Management Port
Is it safe to expose port 3490 to the Internet?
It depends on the service and configuration. Port 3490 (colubris) 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 3490 is open?
You can use nmap: `nmap -p 3490 -sV example.com`, netcat: `nc -zv example.com 3490`, or the bash command: `(echo > /dev/udp/example.com/3490) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 3490 on my firewall?
On Linux with UFW: `sudo ufw allow 3490/udp` (open) or `sudo ufw deny 3490/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 3490 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 3490" dir=in action=allow protocol=UDP localport=3490`.
What applications and services use port 3490?
Port 3490/UDP is used by the colubris service. Specific uses depend on the software and configuration. Check our related tools section for more information.