Block older SSL and TLS versions

높음레벨 1수동 검토cisco-ftd

설명

Transport Layer Protocol or TLS utilities cryptography to encrypt web traffic. Firepower Threat Defense can block older TLS and SSL version to help protect the network from compromise. It is recommended that you move to TLS 1.3 for your enterprise. By using TLS 1.3 you can enhance the security and performance of you network communications while maintaining privacy and complying with modern standards. Not reliably checkable from an exported configuration. Reported as SKIP with review instructions.

점검 방법

감사 방식: 수동 검토

이 권장 사항은 자동으로 점검할 수 없습니다. --include-manual 옵션을 전달하면 스캔 결과에 이 지침과 함께 표시됩니다.

Not reliably checkable from an exported configuration. Policies > Access Control > SSL Ensure that a rule exists blocking older versions of SSL and TLS.

조치 방법

조치 방식: 가이드 또는 인프라 패치

Policies > Access Control > SSL 1. Click add rule 2. In the _Name_ field enter a name for the rule 3. From the _Action_ list select Block or Block with reset 4. Click _Version_ 5. Select older versions of TLS 6. Save Rule Because this is a specific rule, order it earlier in your policy than more general rules such as application-matching rules.

속성

운영 체제: 모두
태그: cisco-ftdnetworkhardening
참고 자료: CIS Cisco Firepower Threat Defense Benchmark v1.0.0 - 3.2.2 Block older SSL and TLS versions