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function CreateIfNotExists
{
param($Path)
if (-NOT (Test-Path $Path))
{
New-Item -Path $Path -Force | Out-Null
}
}
$disableBuiltInDNS = 0x00
# Prefer IPv4 over IPv6 with 0x20, disable IPv6 with 0xff, revert to default with 0x00.
# This change takes effect after reboot.
$setIpv6Value = 0x20
Set-ItemProperty -Path "HKLM:\SYSTEM\CurrentControlSet\Services\Tcpip6\Parameters" -Name "DisabledComponents" -Type DWord -Value $setIpv6Value
# This section disables browser based secure DNS lookup.
# For the Microsoft Edge browser.
CreateIfNotExists "HKLM:\SOFTWARE\Policies\Microsoft"
CreateIfNotExists "HKLM:\SOFTWARE\Policies\Microsoft\Edge"
Set-ItemProperty -Path "HKLM:\SOFTWARE\Policies\Microsoft\Edge" -Name "DnsOverHttpsMode" -Value "off"
Set-ItemProperty -Path "HKLM:\SOFTWARE\Policies\Microsoft\Edge" -Name "BuiltInDnsClientEnabled" -Type DWord -Value $disableBuiltInDNS
# For the Google Chrome browser.
CreateIfNotExists "HKLM:\SOFTWARE\Policies\Google"
CreateIfNotExists "HKLM:\SOFTWARE\Policies\Google\Chrome"
Set-ItemProperty -Path "HKLM:\SOFTWARE\Policies\Google\Chrome" -Name "DnsOverHttpsMode" -Value "off"
Set-ItemProperty -Path "HKLM:\SOFTWARE\Policies\Google\Chrome" -Name "BuiltInDnsClientEnabled" -Type DWord -Value $disableBuiltInDNS
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$ruleParams = @{
DisplayName = "Block QUIC"
Direction = "Outbound"
Action = "Block"
RemoteAddress = "0.0.0.0/0"
Protocol = "UDP"
RemotePort = 443
}
New-NetFirewallRule @ruleParams
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| Allow games.yahoo.co.jp | 501 | allow | fqdn | *.games.yahoo.co.jp games.yahoo.co.jp |
| Block *.qiita.com | 601 | block | fqdn | *.qiita.com |
| Block example.com | 602 | block | fqdn | example.com |
| Block game & gambling | 801 | block | webCategory | Gambling , Games |
| Block Liability | 802 | block | webCategory | Liability å šéš |
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