v5.3.0-beta.1

[5.3.0-beta.1] - 2021-04-30 GMT+0800

Added

• New directive: waf_under_attack, which can be used when the site is under attack.

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[5.3.0-beta.1] - 2021-04-30 GMT+0800

新增

• 新的配置：waf_under_attack，当网站受到攻击时可以使用。