运行小程序的计算机/浏览器的IP地址是什么？

Question

如果我在浏览器中运行经过数字签名的小程序并连接到第三方Web服务器，该Web服务器会使用运行该小程序的计算机/浏览器的IP地址或托管该小程序的IP地址来标识客户端吗？

Answer 1

The applet is running locally, it is just hosted on the server. So the IP address identified will be that of the computer/browser running the applet.

Answer 2

You can't rely on the IP address reported by the applet, it will be the local IP address of the browser's computer, which can be anything at all.

You also can't rely on the IP address presented at the connection to the server. It will be a valid address, but it's only a gateway address. Commonly that's the gateway from the applet's LAN to the public internet, but with port forwarding and proxies, it can be almost anywhere.

One thing it will NOT be unless software there wants to make it so is the IP address of the server host.

Answer 3

The applet connects to the web server. The applet runs in the browser. So the Web server will see the TCP-Connection as coming from the browser (or any proxy that the client happens to use).