Ensure routing tables for VPC peering are "least access"

中レベル 1手動レビューalibaba

説明

Once a VPC peering connection is established, routing tables must be updated to establish any connections between the peered VPCs. These routes can be as specific as desired, even peering a VPC to only a single host on the other side of the connection. Although the routing table is empty by default upon creation for any newly created routing table, hence it denies any default access, it is recommended that the table entry is only added based on the least access ... Reported as a manual review item: the benchmark audit needs console review or organisational judgement.

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。

1. Logon to VPC console. 2. Open the routing table 3. Review routing tables of peered VPCs for whether they route all subnets of each VPC and whether that is necessary to accomplish the intended purposes for peering the VPCs.

修正方法

修正方法: ガイダンスまたは IaC パッチ

1. Logon to VPC console. 2. Open the routing table 3. Remove and add route table entries to ensure that the least number of subnets or hosts as is required to accomplish the purpose for peering are routable.

プロパティ

オペレーティングシステム: すべて
タグ: alibabanetwork
参照: CIS Alibaba Cloud Foundation Benchmark v2.0.1 - 3.4 Ensure routing tables for VPC peering are "least access"