Useful Powershell scripts
Displaying firewall Inbound/Outbound rules with PowerShell is very easy with the Get-NetFirewallRule cmdlet. However, there is a gap: port numbers are not displayed.
With the use of calculated properties, Wirewall Firewall Inbound/Outbound Rules with Port Numbers & Program Exceptions can be displayed everything in a single output. Several cmdlets like the Select-Object or the Format-Table cmdlets can be used.
| Get-NetIPInterface | Shows you the available network interfaces. Can pass parameters to filter the results (e.g. only the DHCP assigned ones). |
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| Get-NetIPAddress | Shows you the IP addresses. Again, can filter using parameters. |
| Set-NetIPInterface | Change an interface settings. Such as turn off/ on DHCP, IPv6 neighbor discovery settings, router settings (advertising, packet forwarding), and Wake on LAN. |
| New-NetIPAddress | Assign a new IP address to an interface. Use the –DefaultGateway switch to specify the default gateway. |
| Remove-NetIPAddress | Remove an assigned IP address from an interface. |
| Set-NetIPAddress | Change IP address properties. For instance: change the subnet mask. |
| Rename-NetAdapter | Rename a network adapter. |
| Disable-NetAdapter | Disable a network adapter. To enable use Enable-NetAdapter. |
| Get-NetAdapterBinding | View the network adapter bindings. Such as IPv4, IPv6, Client for Microsoft Networks. |
| Disable-NetAdapterBinding | Disable network adapter bindings. To enable use Enable-NetAdapterBinding. |
| Get-NetRoute | View the routing table. |
| New-NetRoute | Add an entry to the routing table. Use destination prefix as 0.0.0.0/0 (for IPv4) or ::/0 (for IPv6) to set default gateway. |
| Remove-NetRoute | Remove a routing table entry. |
| Get-DnsClient | View the DNS client settings. Such as DNS suffix, search list and so on. |
| Get-DnsClientServerAddress | View the DNS client server addresses. |
| Set-DnsClient | Modify the DNS client settings. |
| Set-DnsClientServerAddress | Add DNS client server addresses. Put multiple address as (“x.x.x.x”, “x.x.x.x.”, …"). Use the -ResetServerAddressesswitch to remove the server addresses |