Ensure FTP Logon attempt restrictions is enabled

MoyenneNiveau 1Automatiséeiis

Description

FTP Logon attempt restrictions is a built-in network security feature to automatically block brute force FTP attacks. This can be used to mitigate a malicious client from attempting a brute-force attack on a discovered account, such as the local administrator account. FTP logon attempt restrictions (system.ftpServer/security/authentication/denyByFailure enabled) must be on. Not applicable when the FTP service is not installed. PowerShell 5.1 with the WebAdministration module; run elevated. CIS marks this recommendation Manual; the automated check implements its audit procedure.

Méthode de vérification

Méthode d'audit: Commande shell

shell

Import-Module WebAdministration -ErrorAction Stop; $c = Get-WebConfiguration -Filter 'system.ftpServer/security/authentication/denyByFailure' -PSPath 'MACHINE/WEBROOT/APPHOST'; if ($c.enabled -eq $true) { 'compliant' } else { 'noncompliant' }

Sortie attendue: compliant

Méthode de correction

Méthode de correction: Recommandation ou correctif d'infrastructure

Set-WebConfigurationProperty -PSPath 'MACHINE/WEBROOT/APPHOST' -Filter system.ftpServer/security/authentication/denyByFailure -Name enabled -Value True (set maxFailure and entryExpiration as required)

Propriétés

Systèmes d'exploitation: Tous
Étiquettes: iisftp
Référence: CIS Microsoft IIS 10 Benchmark v1.2.1 - 6.2 Ensure FTP Logon attempt restrictions is enabled

Vérifier cet hôte

Exécutez cette commande sur une machine que vous êtes autorisé à auditer. L'analyse est en lecture seule.

shell

tmaegis scan --target iis