All ports
Port40404/TCP
sptxPort
40404
Protocol
TCP
Category
Registered
Service
sptx
What is port 40404?
Port 40404/TCP is a Registered port, registered with IANA for specific applications. It is associated with the sptx service.
Simplify Printing TX
Useful commands
nmapnmap -p 40404 -sV example.comnetcatnc -zv example.com 40404curlcurl -v http://example.com:40404/telnettelnet example.com 40404bash(echo > /dev/tcp/example.com/40404) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 40404/tcpDeny
sudo ufw deny 40404/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 40404 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 40404 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=40404/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 40404" dir=in action=allow protocol=TCP localport=40404Security 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- Outdated versions with vulnerabilities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 40404/TCP?
Port 40404/TCP is associated with the sptx service. Simplify Printing TX
Is it safe to expose port 40404 to the Internet?
It depends on the service and configuration. Port 40404 (sptx) 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 40404 is open?
You can use nmap: `nmap -p 40404 -sV example.com`, netcat: `nc -zv example.com 40404`, or the bash command: `(echo > /dev/tcp/example.com/40404) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 40404 on my firewall?
On Linux with UFW: `sudo ufw allow 40404/tcp` (open) or `sudo ufw deny 40404/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 40404 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 40404" dir=in action=allow protocol=TCP localport=40404`.
What applications and services use port 40404?
Port 40404/TCP is used by the sptx service. Specific uses depend on the software and configuration. Check our related tools section for more information.