Ensure 'Enable predict network actions` is set to 'Enabled: Do not predict actions on any network connection'

中等級 1自動化chrome

說明

Google Chrome comes with the network prediction feature which provides DNS prefetching, TCP and SSL preconnection, and prerendering of web pages. - Predict network actions on any network connection (0) or (1) - Do not predict network actions on any network connection (2) The recommended state for this setting is: Enabled with a value of Do not predict network actions on any network connection (2) Rationale: Opening connections to resources that may not be used could allow unneeded connections increasing attack surface and in some cases could lead to opening connections to resources which the user did not intend to utilize. Audit reads the Group Policy registry value and prints 'compliant', 'unset' (policy not configured, reported as FAIL) or the non-compliant value. Registry value: HKLM\SOFTWARE\Policies\Google\Chrome:NetworkPredictionOptions (REG_DWORD); compliant when it is 2. Remediation writes 2 locally; in a domain set it through the ADMX so Group Policy does not revert it.

檢查方式

稽核方法: Windows 登錄檔

registry

$v = (Get-ItemProperty -Path 'Registry::HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Google\Chrome' -Name 'NetworkPredictionOptions' -ErrorAction SilentlyContinue).'NetworkPredictionOptions'; if ($null -eq $v) { 'unset' } elseif (($null -ne $v -and @(2) -contains [int64]$v)) { 'compliant' } else { "non-compliant: $v" }

預期輸出: compliant

修補方式

修補方法: Shell 指令

shell

$p = 'Registry::HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Google\Chrome'; if (-not (Test-Path -Path $p)) { New-Item -Path $p -Force | Out-Null }; New-ItemProperty -Path $p -Name 'NetworkPredictionOptions' -Value 2 -PropertyType DWord -Force | Out-Null

屬性

作業系統: 不限
標籤: chromebrowsercis-l1
參考資料: CIS Google Chrome Benchmark v3.0.0 - 3.10 Ensure 'Enable predict network actions` is set to 'Enabled: Do not predict actions on any network connection'

檢查此主機

請在您有權稽核的機器上執行此指令。掃描為唯讀操作。

shell

tmaegis scan --target chrome