All ports
Port9255/UDP
monPort
9255
Protocol
UDP
Category
Registered
Service
mon
What is port 9255?
Port 9255/UDP is a Registered port, registered with IANA for specific applications. It is associated with the mon service.
Manager On Network
Useful commands
nmapnmap -p 9255 -sV example.comnetcatnc -zv example.com 9255curlcurl -v http://example.com:9255/telnettelnet example.com 9255bash(echo > /dev/udp/example.com/9255) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 9255/udpDeny
sudo ufw deny 9255/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 9255 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 9255 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=9255/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 9255" dir=in action=allow protocol=UDP localport=9255Security 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- Outdated versions with vulnerabilities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 9255/UDP?
Port 9255/UDP is associated with the mon service. Manager On Network
Is it safe to expose port 9255 to the Internet?
It depends on the service and configuration. Port 9255 (mon) 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 9255 is open?
You can use nmap: `nmap -p 9255 -sV example.com`, netcat: `nc -zv example.com 9255`, or the bash command: `(echo > /dev/udp/example.com/9255) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 9255 on my firewall?
On Linux with UFW: `sudo ufw allow 9255/udp` (open) or `sudo ufw deny 9255/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 9255 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 9255" dir=in action=allow protocol=UDP localport=9255`.
What applications and services use port 9255?
Port 9255/UDP is used by the mon service. Specific uses depend on the software and configuration. Check our related tools section for more information.