![LayerStack Tutorials - LayerStack - How to check if TCP / UDP port is open on Linux & Windows Cloud Servers LayerStack Tutorials - LayerStack - How to check if TCP / UDP port is open on Linux & Windows Cloud Servers](https://www.layerstack.com/img/docs/resources/port2.png)
LayerStack Tutorials - LayerStack - How to check if TCP / UDP port is open on Linux & Windows Cloud Servers
![LayerStack Tutorials - LayerStack - How to check if TCP / UDP port is open on Linux & Windows Cloud Servers LayerStack Tutorials - LayerStack - How to check if TCP / UDP port is open on Linux & Windows Cloud Servers](https://www.layerstack.com/img/docs/resources/tcpudp.jpg)
LayerStack Tutorials - LayerStack - How to check if TCP / UDP port is open on Linux & Windows Cloud Servers
![Connections Attempts (a) normal TCP connection (b) TCP port closed (c)... | Download Scientific Diagram Connections Attempts (a) normal TCP connection (b) TCP port closed (c)... | Download Scientific Diagram](https://www.researchgate.net/publication/276859320/figure/fig1/AS:671514269585428@1537112886806/Connections-Attempts-a-normal-TCP-connection-b-TCP-port-closed-c-UDP-port-closed.jpg)
Connections Attempts (a) normal TCP connection (b) TCP port closed (c)... | Download Scientific Diagram
![LayerStack Tutorials - LayerStack - How to check if TCP / UDP port is open on Linux & Windows Cloud Servers LayerStack Tutorials - LayerStack - How to check if TCP / UDP port is open on Linux & Windows Cloud Servers](https://www.layerstack.com/img/docs/resources/port1.png)
LayerStack Tutorials - LayerStack - How to check if TCP / UDP port is open on Linux & Windows Cloud Servers
![LayerStack Tutorials - LayerStack - How to check if TCP / UDP port is open on Linux & Windows Cloud Servers LayerStack Tutorials - LayerStack - How to check if TCP / UDP port is open on Linux & Windows Cloud Servers](https://www.layerstack.com/img/docs/resources/port4.png)