Ensure AES 256/256 Cipher Suite is Enabled

SedangLevel 1Otomatisiis

Deskripsi

AES 256/256 is the most recent and mature cipher suite for protecting the confidentiality and integrity of HTTP traffic. Enabling AES 256/256 is recommended. Note: AES 256/256 is enabled by default starting with Server 2012 and 2012 R2. SCHANNEL\Ciphers\AES 256/256 must exist with Enabled=1 (read via the .NET registry API). PowerShell 5.1; reads the registry (run elevated).

Cara pemeriksaan

Metode audit: Registry Windows

registry

$c = 'SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Ciphers'; function Get-Cipher($n) { $k = [Microsoft.Win32.Registry]::LocalMachine.OpenSubKey("$c\$n"); $v = $null; if ($k) { $v = $k.GetValue('Enabled'); $k.Close() }; $v }; $v = Get-Cipher 'AES 256/256'; if ($null -ne $v -and [long]$v -eq 1) { 'compliant' } else { 'noncompliant' }

Output yang diharapkan: compliant

Cara perbaikan

Metode perbaikan: Panduan atau patch infrastruktur

([Microsoft.Win32.Registry]::LocalMachine.CreateSubKey('SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Ciphers\AES 256/256')).SetValue('Enabled', 1, 'DWord'), then reboot.

Properti

Sistem operasi: Apa saja
Tag: iistls
Referensi: CIS Microsoft IIS 10 Benchmark v1.2.1 - 7.11 Ensure AES 256/256 Cipher Suite is Enabled

Periksa host ini

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shell

tmaegis scan --target iis