TMA-IIS-3.9

Ensure 'MachineKey validation method - .Net 4.5' is configured

SedangLevel 1Otomatisiis

Deskripsi

The machineKey element of the ASP.NET web.config specifies the algorithm and keys that ASP.NET will use for encryption. The Machine Key feature can be managed to specify hashing and encryption settings for application services such as view state, Forms authentication, membership and roles, and anonymous identification. The following validation methods are available ... The .NET 4.x root web.config machineKey validation must be HMACSHA256 (HMACSHA384/512 are also accepted as stronger). PowerShell 5.1 with the WebAdministration module; run elevated.

Cara pemeriksaan

Metode audit: Perintah shell

shell

Import-Module WebAdministration -ErrorAction Stop; $c = Get-WebConfiguration -Filter 'system.web/machineKey' -PSPath 'MACHINE/WEBROOT'; if ([string]$c.validation -in @('HMACSHA256', 'HMACSHA384', 'HMACSHA512')) { 'compliant' } else { 'noncompliant' }

Output yang diharapkan: compliant

Cara perbaikan

Metode perbaikan: Panduan atau patch infrastruktur

Set-WebConfigurationProperty -PSPath 'MACHINE/WEBROOT' -Filter system.web/machineKey -Name validation -Value HMACSHA256

Properti

Sistem operasi: Apa saja
Tag: iisaspnetcrypto
Referensi: CIS Microsoft IIS 10 Benchmark v1.2.1 - 3.9 Ensure 'MachineKey validation method - .Net 4.5' is configured

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shell

tmaegis scan --target iis