![Check the network infrastructure | SmartFabric Storage Software Deployment Guide | Dell Technologies Info Hub Check the network infrastructure | SmartFabric Storage Software Deployment Guide | Dell Technologies Info Hub](https://infohub.delltechnologies.com/static/media/9198938f-8c47-5a0e-82d9-6db6a62cd3f7/DAM-0ab5e548-ee9c-40ad-a51a-c6bc770b69f1/out/network-troubleshooting=GUID-CDC5D172-1E8D-4EBF-873E-08F8B8727A3A=2=en-us=Low.jpg)
Check the network infrastructure | SmartFabric Storage Software Deployment Guide | Dell Technologies Info Hub
![Hack: Using ssh / curl or wget to test TCP port connection state to remote SSH, DNS, SMTP, MySQL or any other listening service in PCI environment servers - ☩ Walking in Hack: Using ssh / curl or wget to test TCP port connection state to remote SSH, DNS, SMTP, MySQL or any other listening service in PCI environment servers - ☩ Walking in](https://www.pc-freak.net/images/using-curl-ssh-wget-to-test-tcp-port-opened-or-closed-for-web-mysql-smtp-or-any-other-linstener-in-pci-linux-logo.png)
Hack: Using ssh / curl or wget to test TCP port connection state to remote SSH, DNS, SMTP, MySQL or any other listening service in PCI environment servers - ☩ Walking in
![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)