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

高级别 2人工审核sophos

说明

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).

检查方式

审计方法: 人工审核

此项建议无法自动检查。当您传入 --include-manual 时，扫描结果会列出该项并附带这些说明。

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.

修复方式

修复方法: 操作指南或基础设施补丁

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'.

属性

操作系统: 任意
标签: sophosthreat-prevention
参考: 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