All ports

Port417/UDP

onmux

Port

417

Protocol

UDP

Category

Well-Known

Service

onmux

What is port 417?

Port 417/UDP is a Well-Known port, assigned by IANA for widely recognized services. It is associated with the onmux service.

Onmux

Useful commands

nmapnmap -p 417 -sV example.com
netcatnc -zv example.com 417
curlcurl -v http://example.com:417/
telnettelnet example.com 417
bash(echo > /dev/udp/example.com/417) 2>/dev/null

Firewall commands

UFWAllow
sudo ufw allow 417/udp
Deny
sudo ufw deny 417/udp
iptablesAllow
sudo iptables -A INPUT -p udp --dport 417 -j ACCEPT
Deny
sudo iptables -D INPUT -p udp --dport 417 -j ACCEPT
firewalldAllow
sudo firewall-cmd --permanent --add-port=417/udp
WindowsAllow
netsh advfirewall firewall add rule name="Open Port 417" dir=in action=allow protocol=UDP localport=417

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  • Outdated versions with vulnerabilities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 417/UDP?

Port 417/UDP is associated with the onmux service. Onmux

Is it safe to expose port 417 to the Internet?

It depends on the service and configuration. Port 417 (onmux) 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 417 is open?

You can use nmap: `nmap -p 417 -sV example.com`, netcat: `nc -zv example.com 417`, or the bash command: `(echo > /dev/udp/example.com/417) 2>/dev/null && echo "Open" || echo "Closed"`.

How do I open or close port 417 on my firewall?

On Linux with UFW: `sudo ufw allow 417/udp` (open) or `sudo ufw deny 417/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 417 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 417" dir=in action=allow protocol=UDP localport=417`.

What applications and services use port 417?

Port 417/UDP is used by the onmux service. Specific uses depend on the software and configuration. Check our related tools section for more information.