Something about proxy.

First, you'll need to purchase a VPS (or something else) as your proxy server.

1. Using SSH tunnel.

1.1 Prepare your ssh keys (on your computer).
1.2 Log in your VPS (with user name, for example, tom), in folder ~/.ssh/, edit the file: authorized_keys, add your public key there.
1.3 On your computer, use:

ssh -N -D 1080 tom@(IPAddress Of your VPS)

Now you get a sock5 proxy on port 1080 and you can use it on your browser.

2. Use shadowsocks

1. How to install shadowsocks on your VPS is simple: https://github.com/clowwindy/shadowsocks
2. Configure shadowsocks with Supervisor, so it will restart if crash, very useful: https://github.com/clowwindy/shadowsocks/wiki/Configure-Shadowsocks-with-Supervisor
3. However, on Mac OS, python 'pip' may have problems. You may need to use:

sudo easy_install --upgrade pip

to upgrade pip to the latest version.

4. Now you can use (on your computer):

sslocal -c [path to your config.json]

to open the SOCK5 proxy.

3. Convert SOCK5 proxy to HTTP proxy.

1. Use brew to install privoxy:

brew install privoxy

2. The config file is on /usr/local/etc/privoxy:

vim /usr/local/etc/privoxy/config

uncomment this line:

forward-socks5     127.0.0.1:8008

Here, change 8008 to the actual port your SOCKS5  uses.