Windows
Linux
Networking
Diagnostics
Windows Test-NetConnection -Port equivalent in Linux
Checks whether a TCP port accepts connections.
Windows
→
Test-NetConnection -Port
Linux equivalents
nc -vz host 443
nc -vz host 443
nc -vz host 443
Overview
What this command does
Checks whether a TCP port accepts connections.
Migration tip: Check the distro-specific rows before copying; package names and service names can differ even when the tool name is similar.
Practical tasks
Common use cases
Test TCP port
Checks whether a TCP port accepts connections.
nc -vz host 443
Test TCP port
nc --help
Show command help when supported
man nc
Open the manual page when installed
Ready to run
Copyable Linux commands
Review paths, device names, package names and permissions before running any command.
nc -vz host 443
Walkthrough
Examples with explanations
# Windows equivalent: Test-NetConnection -Port
nc -vz host 443Reference
Common options and variations
| Command or option | Use |
|---|---|
nc -vz host 443 | Test TCP port |
nc --help | Show command help when supported |
man nc | Open the manual page when installed |
Distro differences
Debian/Ubuntu vs Fedora vs Arch
The equivalent is shown for Debian/Ubuntu, Fedora and Arch. Some rows use a different package manager or helper tool where Linux distributions commonly diverge.
| Distribution | Package manager / base | Equivalent command | Difference to notice |
|---|---|---|---|
| Debian/Ubuntu | same command | nc -vz host 443 |
Same command on this distribution. |
| Fedora | same command | nc -vz host 443 |
Same command on this distribution. |
| Arch | same command | nc -vz host 443 |
Same command on this distribution. |
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