Ensure Zero-day protection is enabled at the firewall rule for web protection and does not exclude any file type from zero-day protection analysis

高レベル 2手動レビューsophos

説明

By enabling ‘Use Zero-day protection' at the firewall rule increases the possibility of identifying unknown viruses. And ensure administrator does not exclude file types from Zero-day protection analysis. Reviewed in the Sophos Firewall web admin console (SFOS has no plain-text configuration export to audit offline).

チェック方法

監査方法: 手動レビュー

この推奨事項は自動ではチェックできません。--include-manual を指定すると、スキャン結果にこの手順付きで一覧表示されます。

For firewall rules that allowed outbound traffic to the internet should be enabled with ‘Use zero-day protection'. Navigate to 'Protect > Rules and policies > Firewall rules' existing firewall rule with allowed outbound traffic and verify 'Security features > Web filtering > Malware and content scanning > Scan HTTP and decrypted HTTPS', 'Use zero-day protection' and 'Scan FTP for malware' is checked. Navigate to 'Monitor & Analyze > Zero-day protection > Protection Settings' and verify 'Exclude file types' to ensure there are no file type is exempted from Sandbox analysis.

修正方法

修正方法: ガイダンスまたは IaC パッチ

Navigate to 'Protect > Rules and policies > Firewall rules' existing firewall rule with allowed outbound traffic and configure 'Security features > Web filtering > Malware and content scanning > Scan HTTP and decrypted HTTPS', 'Use Zero-day protection' and 'Scan FTP for malware' is checked. Navigate to 'Monitor & Analyze > Zero-day protection > Protection Settings' and remove file type exceptions from 'Exclude file types'.

プロパティ

オペレーティングシステム: すべて
タグ: sophosthreat-prevention
参照: CIS Sophos Firewall v22 Benchmark v1.0.0 - 4.2 Ensure Zero-day protection is enabled at the firewall rule for web protection and does not exclude any file type from zero-day protection analysis