Functions/TrustedHost/Add-TrustedHost.ps1
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<#
.SYNOPSIS Add an entry to the trusted host list. .DESCRIPTION Append the entry to the trusted host list separated by a comma and store it in the path WSMan:\localhost\Client\TrustedHosts. .INPUTS System.String. Trusted host list entry. .OUTPUTS None. .EXAMPLE PS C:\> Add-TrustedHosts -ComputerName 'SERVER', '10.0.0.1', '*.contoso.com' Add the three entries to the trusted host list. .EXAMPLE PS C:\> '10.0.0.1', '10.0.0.2', '10.0.0.3' | Add-TrustedHosts Add the list of IP addresses to the trusted host list. .NOTES Author : Claudio Spizzi License : MIT License .LINK https://github.com/claudiospizzi/SecurityFever #> function Add-TrustedHost { [CmdletBinding(SupportsShouldProcess = $true)] param ( [Parameter(Mandatory = $true, ValueFromPipeline = $true)] [System.String[]] $ComputerName ) begin { # The trusted hosts list can only be changed as an administrator. if (-not (Test-AdministratorRole)) { throw 'Access denied. Please start this functions as an administrator.' } # Get the WSMan trusted hosts item, ensure its a string $trustedHosts = [String] (Get-Item -Path 'WSMan:\localhost\Client\TrustedHosts').Value } process { # Add all new entries foreach ($computer in $ComputerName) { $trustedHosts = '{0},{1}' -f $trustedHosts, $computer $trustedHosts = $trustedHosts.Trim(',') } } end { if ($PSCmdlet.ShouldProcess($trustedHosts, "Set")) { # Finally, set the item Set-Item -Path 'WSMan:\localhost\Client\TrustedHosts' -Value $trustedHosts -Force } } } |