![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
![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/windows22netstat2.png)
LayerStack Tutorials - LayerStack - How to check if TCP / UDP port is open on Linux & Windows Cloud Servers
![KB73959249: ArtiosCAD - Using Telnet to test SQL Server TCP port access - KB73959249: ArtiosCAD - Using Telnet to test SQL Server TCP port access - wiki.esko.com KB73959249: ArtiosCAD - Using Telnet to test SQL Server TCP port access - KB73959249: ArtiosCAD - Using Telnet to test SQL Server TCP port access - wiki.esko.com](https://wiki.esko.com/download/attachments/75763889/465a.jpg?version=1&modificationDate=1377840332887&api=v2)
KB73959249: ArtiosCAD - Using Telnet to test SQL Server TCP port access - KB73959249: ArtiosCAD - Using Telnet to test SQL Server TCP port access - wiki.esko.com
![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)