Ensure IIS HTTP detailed errors are hidden from displaying remotely

СредњаНиво 1Аутоматскаiis

Опис

A Web site's error pages are often set to show detailed error information for troubleshooting purposes during testing or initial deployment. To prevent unauthorized users from viewing this privileged information, detailed error pages must not be seen by remote users. This setting can be modified in the errorMode attribute setting for a Web site's error pages. httpErrors errorMode must be DetailedLocalOnly or Custom at server level and for every site. PowerShell 5.1 with the WebAdministration module; run elevated.

Како се проверава

Метод провере: Команда љуске

shell

Import-Module WebAdministration -ErrorAction Stop; $paths = @('MACHINE/WEBROOT/APPHOST') + @(Get-Website | ForEach-Object { "IIS:\Sites\$($_.Name)" }); $bad = @($paths | Where-Object { $c = Get-WebConfiguration -Filter 'system.webServer/httpErrors' -PSPath $_; [string]$c.errorMode -notin @('DetailedLocalOnly', 'Custom') }); if ($bad.Count -eq 0) { 'compliant' } else { 'noncompliant' }

Очекивани излаз: compliant

Како се исправља

Метод исправке: Смерница или закрпа инфраструктуре

Set-WebConfigurationProperty -PSPath 'MACHINE/WEBROOT/APPHOST' -Filter system.webServer/httpErrors -Name errorMode -Value DetailedLocalOnly

Својства

Оперативни системи: Било који
Ознаке: iisinformation-disclosure
Референца: CIS Microsoft IIS 10 Benchmark v1.2.1 - 3.4 Ensure IIS HTTP detailed errors are hidden from displaying remotely

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shell

tmaegis scan --target iis