All ports
Port9285/UDP
n2h2serverPort
9285
Protocol
UDP
Category
Registered
Service
n2h2server
What is port 9285?
Port 9285/UDP is a Registered port, registered with IANA for specific applications. It is associated with the n2h2server service.
N2H2 Filter Service Port
Useful commands
nmapnmap -p 9285 -sV example.comnetcatnc -zv example.com 9285curlcurl -v http://example.com:9285/telnettelnet example.com 9285bash(echo > /dev/udp/example.com/9285) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 9285/udpDeny
sudo ufw deny 9285/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 9285 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 9285 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=9285/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 9285" dir=in action=allow protocol=UDP localport=9285Security 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- Outdated versions with vulnerabilities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 9285/UDP?
Port 9285/UDP is associated with the n2h2server service. N2H2 Filter Service Port
Is it safe to expose port 9285 to the Internet?
It depends on the service and configuration. Port 9285 (n2h2server) 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 9285 is open?
You can use nmap: `nmap -p 9285 -sV example.com`, netcat: `nc -zv example.com 9285`, or the bash command: `(echo > /dev/udp/example.com/9285) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 9285 on my firewall?
On Linux with UFW: `sudo ufw allow 9285/udp` (open) or `sudo ufw deny 9285/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 9285 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 9285" dir=in action=allow protocol=UDP localport=9285`.
What applications and services use port 9285?
Port 9285/UDP is used by the n2h2server service. Specific uses depend on the software and configuration. Check our related tools section for more information.