notes/IT/Making nginx forward VPN and https traffic on tcp 443.md

This file documents my troubleshooting methodology for configuring nginx to reverse proxy https traffic, and reverse proxy non https traffic on tcp/443.

## Context
I would like to serve https traffic from a server (`192.168.0.6`), 


Right now, it appears that I can't do that with one IP because that would require two separate nginx components listening on the same port, or that's what I ascertained from the logs.

I modified `/etc/nginx/nginx.conf` to include this block underneath the `http` block:
```nginx
stream {
	server {
		listen 443;
		proxy_pass 192.168.0.2:443;
	}
}
```

When trying to start with that change applied, I got the error:
```
nginx: [emerg] bind() to 0.0.0.0:443 failed (98: Address already in use)
```
## IP Aliasing