All ports
Port9090/UDP
websmPort
9090
Protocol
UDP
Category
Registered
Service
websm
What is port 9090?
Port 9090/UDP is a Registered port, registered with IANA for specific applications. It is associated with the websm service.
WebSM
Useful commands
nmapnmap -p 9090 -sV example.comnetcatnc -zv example.com 9090curlcurl -v http://example.com:9090/telnettelnet example.com 9090bash(echo > /dev/udp/example.com/9090) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 9090/udpDeny
sudo ufw deny 9090/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 9090 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 9090 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=9090/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 9090" dir=in action=allow protocol=UDP localport=9090Security 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- Outdated versions with vulnerabilities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 9090/UDP?
Port 9090/UDP is associated with the websm service. WebSM
Is it safe to expose port 9090 to the Internet?
It depends on the service and configuration. Port 9090 (websm) 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 9090 is open?
You can use nmap: `nmap -p 9090 -sV example.com`, netcat: `nc -zv example.com 9090`, or the bash command: `(echo > /dev/udp/example.com/9090) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 9090 on my firewall?
On Linux with UFW: `sudo ufw allow 9090/udp` (open) or `sudo ufw deny 9090/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 9090 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 9090" dir=in action=allow protocol=UDP localport=9090`.
What applications and services use port 9090?
Port 9090/UDP is used by the websm service. Specific uses depend on the software and configuration. Check our related tools section for more information.