人人都知道SSH连接的标准端口是22。

Everybody knows that the standard port for SSH connections is 22.

youdao

所以，如果流量是通过非标准端口传输的，那么这个些信息可能无法正确解码。

So, if traffic is being transferred on a non-standard port, the information may not be decoded properly.

youdao

把SSH的标准端口改为不常用的值并增强SSH配置，从而挡住最简单的攻击。

Changing SSH's standard port to an unusual value and reinforcing SSH configuration so that simple-minded attacks just bounce back.

youdao