All ports
Port4090/TCP
omasgportPort
4090
Protocol
TCP
Category
Registered
Service
omasgport
What is port 4090?
Port 4090/TCP is a Registered port, registered with IANA for specific applications. It is associated with the omasgport service.
OMA BCAST Service Guide
Useful commands
nmapnmap -p 4090 -sV example.comnetcatnc -zv example.com 4090curlcurl -v http://example.com:4090/telnettelnet example.com 4090bash(echo > /dev/tcp/example.com/4090) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 4090/tcpDeny
sudo ufw deny 4090/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 4090 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 4090 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=4090/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 4090" dir=in action=allow protocol=TCP localport=4090Security 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- Outdated versions with vulnerabilities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 4090/TCP?
Port 4090/TCP is associated with the omasgport service. OMA BCAST Service Guide
Is it safe to expose port 4090 to the Internet?
It depends on the service and configuration. Port 4090 (omasgport) 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 4090 is open?
You can use nmap: `nmap -p 4090 -sV example.com`, netcat: `nc -zv example.com 4090`, or the bash command: `(echo > /dev/tcp/example.com/4090) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 4090 on my firewall?
On Linux with UFW: `sudo ufw allow 4090/tcp` (open) or `sudo ufw deny 4090/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 4090 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 4090" dir=in action=allow protocol=TCP localport=4090`.
What applications and services use port 4090?
Port 4090/TCP is used by the omasgport service. Specific uses depend on the software and configuration. Check our related tools section for more information.