Created
April 4, 2018 20:21
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Deletes all predefined Firewall rules and delete DNScache service. Then blocks all inbound and outbound traffic and allow system to connect.
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| @echo off | |
| ::1#Delete DNSCache Service | |
| ::sc.exe stop "Dnscache" | |
| ::sc.exe delete "Dnscache" | |
| reg.exe delete "HKLM\SYSTEM\CurrentControlSet\Services\Dnscache" /F | |
| pause | |
| ::2# | |
| for %%X in ( | |
| "HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess\Defaults\FirewallPolicy\FirewallRules" | |
| "HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\FirewallRules" | |
| "HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\RestrictedInterfaces" | |
| "HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\RestrictedServices" ) do ( | |
| reg delete %%X /F | |
| ) | |
| set X="HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\RestrictedServices" | |
| %~dp0\SetACL.exe -on %X% -ot reg -rec cont_obj -actn setowner -ownr "n:Everyone" | |
| %~dp0\SetACL.exe -on %X% -ot reg -rec cont_obj -actn ace -ace "n:Everyone;p:full" | |
| pause | |
| ::3# | |
| for %%X in ( | |
| Defaults | |
| Parameters ) do ( | |
| for %%Y in ( | |
| DomainProfile | |
| PublicProfile | |
| StandardProfile ) do ( | |
| reg add "HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess\%%X\FirewallPolicy\%%Y" /V "DefaultInboundAction" /T REG_DWORD /D "1" /F | |
| reg add "HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess\%%X\FirewallPolicy\%%Y" /V "DefaultOutboundAction" /T REG_DWORD /D "1" /F | |
| reg add "HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess\%%X\FirewallPolicy\%%Y" /V "DisableNotifications" /T REG_DWORD /D "0" /F | |
| reg add "HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess\%%X\FirewallPolicy\%%Y" /V "DisableUnicastResponsesToMulticastBroadcast" /T REG_DWORD /D "1" /F | |
| reg add "HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess\%%X\FirewallPolicy\%%Y" /V "EnableFirewall" /T REG_DWORD /D "1" /F | |
| reg delete "HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess\%%X\FirewallPolicy\%%Y\Logging" /F | |
| ) | |
| ) | |
| netsh advfirewall set allprofiles firewallpolicy blockinbound,blockoutbound | |
| pause | |
| ::4# | |
| ::netsh advfirewall firewall add rule Name=System Program=System Action=allow Dir=Out | |
| Powershell New-NetFirewallRule -DisplayName "~System" -Name "System" -Direction Outbound -Program System -Action Allow | |
| ::END-44# |
New-NetFirewallRule cmdlet in PowerShell or netsh advfirewall firewall command can be used for that.
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So what would be the syntax for allowing Chrome as an outbound and inbound exception to the block, if we assume the path is C:\Program Files\Chrome\Chrome.exe?