Nginx (engine x) is a high-performance HTTP and reverse proxy web server, and also provides IMAP/POP3/SMTP services .
proxy:
Let’s give an example in real life: For example, if we want to buy a second-hand house, although we can find the house on our own, it takes too much time and energy, and we have to go through a series of procedures such as house quality inspection and house transfer. Do, let’s talk about the current society. When we find a house, maybe the house price has risen, so what should we do? The easiest and fastest way is to find a second-hand housing agency (why? There are so many listings in other people's places), so we entrusted the agency to find a suitable house for me, as well as the subsequent quality inspection and transfer operations, we only need to choose a good one Just pay for the house you want.
The difference between reverse proxy and forward proxy is: forward proxy proxy client, reverse proxy proxy server.
To sum up, it is still one sentence: forward proxy proxy client, reverse proxy proxy server.