forked from docs/doc-exports
Reviewed-by: Kucerak, Kristian <kristian.kucerak@t-systems.com> Co-authored-by: Qin Ying, Fan <fanqinying@huawei.com> Co-committed-by: Qin Ying, Fan <fanqinying@huawei.com>
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Firewall
A firewall is an optional layer of security for your subnets. After you associate one or more subnets with a firewall, you can control traffic in and out of the subnets.
Parent topic: Basic Concepts