All ports
Port92/TCP
nppPort
92
Protocol
TCP
Category
Well-Known
Service
npp
What is port 92?
Port 92/TCP is a Well-Known port, assigned by IANA for widely recognized services. It is associated with the npp service.
Network Printing Protocol
Useful commands
nmapnmap -p 92 -sV example.comnetcatnc -zv example.com 92curlcurl -v http://example.com:92/telnettelnet example.com 92bash(echo > /dev/tcp/example.com/92) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 92/tcpDeny
sudo ufw deny 92/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 92 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 92 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=92/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 92" dir=in action=allow protocol=TCP localport=92Security 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- Outdated versions with vulnerabilities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 92/TCP?
Port 92/TCP is associated with the npp service. Network Printing Protocol
Is it safe to expose port 92 to the Internet?
It depends on the service and configuration. Port 92 (npp) 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 92 is open?
You can use nmap: `nmap -p 92 -sV example.com`, netcat: `nc -zv example.com 92`, or the bash command: `(echo > /dev/tcp/example.com/92) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 92 on my firewall?
On Linux with UFW: `sudo ufw allow 92/tcp` (open) or `sudo ufw deny 92/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 92 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 92" dir=in action=allow protocol=TCP localport=92`.
What applications and services use port 92?
Port 92/TCP is used by the npp service. Specific uses depend on the software and configuration. Check our related tools section for more information.