TMA-IIS-3.11

Ensure X-Powered-By Header is removed

BajaNivel 2Automatizadaiis

Descripción

The x-powered-by headers specify the underlying technology used by the webserver. No X-Powered-By custom header may be configured at server level or for any site. PowerShell 5.1 with the WebAdministration module; run elevated. CIS marks this recommendation Manual; the automated check implements its audit procedure.

Cómo se verifica

Método de auditoría: Comando de shell

shell

Import-Module WebAdministration -ErrorAction Stop; $paths = @('MACHINE/WEBROOT/APPHOST') + @(Get-Website | ForEach-Object { "IIS:\Sites\$($_.Name)" }); $bad = @($paths | Where-Object { @(Get-WebConfiguration -Filter 'system.webServer/httpProtocol/customHeaders/add' -PSPath $_ | Where-Object { $_.name -eq 'X-Powered-By' }).Count -gt 0 }); if ($bad.Count -eq 0) { 'compliant' } else { 'noncompliant' }

Salida esperada: compliant

Cómo se corrige

Método de corrección: Guía o parche de infraestructura

Remove-WebConfigurationProperty -PSPath 'MACHINE/WEBROOT/APPHOST' -Filter system.webServer/httpProtocol/customHeaders -Name . -AtElement @{name='X-Powered-By'}

Propiedades

Sistemas operativos: Cualquiera
Etiquetas: iisinformation-disclosure
Referencia: CIS Microsoft IIS 10 Benchmark v1.2.1 - 3.11 Ensure X-Powered-By Header is removed

Verificar este host

Ejecute esto en un equipo que tenga permiso para auditar. El escaneo es de solo lectura.

shell

tmaegis scan --target iis --level 2