Baseline Security Policy for Servers
- NTLMv2 only:
- Параметр: Network security: LAN Manager authentication level
- Значение: Send NTLMv2 response only. Refuse LM & NTLM
- Kerberos (AES256):
- Параметр: Network security: Configure encryption types allowed for Kerberos
- Значение: Выставить галочку только на AES256_HMAC_SHA1 и “Future encryption types”.
- Do not store LM hash on next password change
- Параметр: Network security: Do not store LAN Manager hash value on next password change
- Значение: Enabled
- Audit success+failure logons
- Параметр:
Computer Configuration->Policies->Windows Settings->Security Settings->Advanced Audit Policy Configuration->Audit Policies->Logon/Logoff->Audit Logon - Значение: Success and Failure
- Параметр:
- Disable WinRM basic auth and unencrypted traffic (server+client)
- Параметр
Computer Configuration->Policies->Administrative Templates->Windows Components->Windows Remote Management (WinRM) - WinRM Service (Server):
- Allow Basic authentication: Disabled
- Allow unencrypted traffic: Disabled
- WinRM Client:
- Allow Basic authentication: Disabled
- Allow unencrypted traffic: Disabled
- Параметр
- RDP: high encryption + secure RPC
- Параметр
Computer Configuration->Policies->Administrative Templates->Windows Components->Remote Desktop Services->Remote Desktop Session Host->Security - Шифрование:
- Параметр: Set client connection encryption level
- Значение: High Level
- Secure RPC:
- Параметр: Require secure RPC communication
- Значение: Enabled
- Параметр
Для Client’ов нужно ещё
7) Turn off Microsoft consumer experiences
- Параметр: Computer Configuration -> Policies -> Administrative Templates -> Windows Components -> Cloud Content -> Turn off Microsoft consumer experiences
- Значение: Enabled
- Turn off Autoplay on all drives
- Параметр:
Computer Configuration->Policies->Administrative Templates->Windows Components->AutoPlay Policies->Turn off Autoplay- Значение: Enabled
- All drives.
- Параметр:
Administrative Accounts
-
Создайте GPO
Computer_Admins_Techи привяжите к OU с десктопами. -
Computer Configuration->Policies->Windows Settings->Security Settings->Restricted Groups. -
Нажмите “Add Group” -> впишите Administrators (это локальная группа на ПК).
-
В поле “Members of this group” добавьте вашу группу
G_Tech.
Users – Restrict Tools
-
Registry:
User Configuration->Policies->Administrative Templates->System-> Prevent access to registry editing tools ->Enabled. -
CMD: Там же -> Prevent access to the command prompt ->
Enabled(выберите “Yes” в запрете выполнения скриптов). -
PowerShell:
User Configuration->Policies->Administrative Templates->System-> Don’t run specified Windows applications. Добавьтеpowershell.exeиpowershell_ise.exe.
Contractors – Customization
-
Путь:
Computer Configuration->Policies->Windows Settings->Security Settings->Local Policies->Security Options-
Interactive logon: Message text… -> Вставьте ваш текст.
-
Interactive logon: Message title… -> Введите заголовок (например, “Warning”).
-
Folder Redirection
-
User Configuration->Policies->Windows Settings->Folder Redirection. -
Правой кнопкой на “Documents” ->
Properties->Basic - Redirect everyone's folder to the same location. -
Root Path:
\\srv1.auroracorp.eu\Users\(папка должна иметь права доступа для пользователей). -
Повторите для Desktop, Pictures и т.д.
Disk Encryption
-
Computer Configuration->Policies->Administrative Templates->Windows Components->BitLocker Drive Encryption->Fixed Data Drives -
Choose how BitLocker-protected… can be recovered ->
Enabled. -
Поставьте галочку “Save BitLocker recovery information to AD DS”.
AppLocker
-
Computer Configuration->Policies->Windows Settings->Security Settings->Application Control Policies->AppLocker. -
Сначала создайте правила по умолчанию (Executable Rules -> Create Default Rules), чтобы не «окирпичить» систему.
-
Create New Rule:
Deny->Publisher. -
Нажмите “Browse” и выберите файл
wordpad.exe(обычно вC:\Program Files\Windows NT\Accessories\wordpad.exe). -
Важно: Убедитесь, что служба Application Identity (AppIDSvc) на клиентах настроена на автоматический запуск, иначе AppLocker не заработает.