The first setting enables TCP SYN cookies.

第一个设置启用TCP SYNcookie。

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TCP SYN Scanning is also known as half open scanning.

TCP SYN扫描也称为半开扫描。

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Description: TCP SYN scanning is a variant of port scanning.

描述：TCP SYN扫描是端口扫描的变体。

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Description: TCP SYN scanning is a variant of port scanning.

描述：TCP SYN扫描是端口扫描的变体。

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