Disable-SchannelProtocol.ps1
<#
.Synopsis Disable SSL/TLS protocols Schannel settings in the registry. .DESCRIPTION Disable SSL/TLS protocols Schannel settings in the registry including client and server components. .PARAMETER Protocol Specify the protocol you want to disable. .EXAMPLE Disable-SchannelProtocol -Protocol TLS1.0 .EXAMPLE Disable-SchannelProtocol -Protocol SSL2,SSL3,TLS1.0,TLS1.1 .NOTES Created by: Jason Wasser Modified: 4/3/2020 #> function Disable-SchannelProtocol { [cmdletbinding()] param ( [Parameter(Mandatory)] [ValidateSet('SSL2', 'SSL3', 'TLS1.0', 'TLS1.1', 'TLS1.2', 'TLS1.3')] [string[]]$Protocol ) begin { } process { foreach ($Proto in $Protocol) { Set-SchannelProtocol -Protocol $Proto -Setting Enabled -Value 0 Set-SchannelProtocol -Protocol $Proto -Setting DisabledByDefault -Value 1 Get-SchannelProtocol -Protocol $Proto } } end { } } |