TMA-IIS-7.4

Ensure TLS 1.0 is Disabled

TinggiLevel 1Otomatisiis

Deskripsi

The TLS 1.0 protocol is not considered cryptographically secure, therefore should be disabled. SCHANNEL\Protocols\TLS 1.0\Server and \Client must both have Enabled=0 and DisabledByDefault=1. Affects every SCHANNEL service; a reboot is required after changes. PowerShell 5.1; reads the registry (run elevated).

Cara pemeriksaan

Metode audit: Registry Windows

registry

$base = 'HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols'; $bad = @('Server', 'Client' | Where-Object { $p = Get-ItemProperty -Path "$base\TLS 1.0\$_" -ErrorAction SilentlyContinue; $null -eq $p -or $p.Enabled -ne 0 -or $p.DisabledByDefault -ne 1 }); if ($bad.Count -eq 0) { 'compliant' } else { 'noncompliant' }

Output yang diharapkan: compliant

Cara perbaikan

Metode perbaikan: Panduan atau patch infrastruktur

For both Server and Client: New-Item 'HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.0\Server' -Force | Out-Null; New-ItemProperty -Path <key> -Name Enabled -Value 0 -PropertyType DWord -Force; New-ItemProperty -Path <key> -Name DisabledByDefault -Value 1 -PropertyType DWord -Force; then reboot.

Properti

Sistem operasi: Apa saja
Tag: iistls
Referensi: CIS Microsoft IIS 10 Benchmark v1.2.1 - 7.4 Ensure TLS 1.0 is Disabled

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shell

tmaegis scan --target iis