Public/Set-DNSBroadcasting.ps1
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<#
.SYNOPSIS Enables or disables DNS broadcasting on the system. .DESCRIPTION This function modifies the MDNS and LLMNR settings in the Windows registry to enable or disable DNS broadcasting. .PARAMETER Action Specifies whether to enable or disable DNS broadcasting. Acceptable values are "Enable" or "Disable". .EXAMPLE Set-DNSBroadcasting -Action Enable Enables DNS broadcasting by removing the relevant registry keys. .EXAMPLE Set-DNSBroadcasting -Action Disable Disables DNS broadcasting by setting the relevant registry keys to 0. .NOTES Requires administrative privileges to modify the Windows registry. .Link https://github.com/TheTaylorLee/AdminToolbox #> function Set-DNSBroadcasting { param ( [Parameter(Mandatory = $true)] [ValidateSet("Enable", "Disable")] [string]$Action ) switch ($Action) { "Enable" { # To Enable ## MDNS Remove-ItemProperty "HKLM:\SYSTEM\CurrentControlSet\Services\Dnscache\Parameters\" -Name EnableMDNS ## LLMNR Remove-ItemProperty "HKLM:\Software\Policies\Microsoft\Windows NT\DNSClient\" -Name EnableMulticast } "Disable" { # To Disable ## MDNS Set-ItemProperty "HKLM:\SYSTEM\CurrentControlSet\Services\Dnscache\Parameters\" -Name EnableMDNS -Value 0 -Type DWord ## LLMNR Set-ItemProperty "HKLM:\Software\Policies\Microsoft\Windows NT\DNSClient\" -Name EnableMulticast -Value 0 -Type DWord } } } |