Port probing is a process that involves scanning all available ports on your server that are accessible to the Internet.

端口探测是一个扫描服务器上所有能访问互联网的可用端口的过程。

youdao

The VNC protocol starts at 5900 so specifying: 99 means the server is accessible from port 5999.

VNC协议在5900处启动，因此：99表示服务器可从端口5999访问。

youdao

Using: 99 specifies the port the VNC server will be accessible from.

使用：99指定可访问VNC服务器的端口。

youdao

It also includes a micro-USB charging cable, with the port accessible just above the shirt clip.

ENGADGET: Samsung HM5100 Bluetooth S Pen makes a surprise debut in our Note 10.1 'press kit,' we pencil in a chat (hands-on)