Como reparar o firewall do Windows

Standard

use o Regedit!

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess\Epoch

Query Value;Set Value

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy

Full Control;Read

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess\Defaults\FirewallPolicy

Full Control;Read
For the DHCP Client service, the issue may occur if the “NT
Service\DHCP” account does not have the necessary permissions for the
following keys:

Registry key:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Dhcp
permission needed: Query value, Create value, Enumerate Subkeys,
Notify, Read Control

Registry key:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Dhcp\Configurations
permission needed: Full Control, Read

For the “Diagnostic Policy Service” service, the issue may occur when
the account Trustedinstaller is missing the permissions for the key
below:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\DPS\Parameters

permission needed: Full Control, Read

Source: http://support.microsoft.com/kb/943996

Full post can be viewed at:
http://www.jasonross.name/2008/12/windows-vista-firewall/

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