Shadowsocks（影梭）全教程：从服务器搭建、优化，到客户端下载、设置。

Shadowsocks VPN Guide

How to Setup A Shadowsocks Server on Amazon EC2
In this tutorial, I will show you how to setup a Shadowsocks server on Amazon EC2. Please note: this is a quite advanced tutorial for technical guys (or gals) who feel comfortable with doing things such as using Linux commands, setting up linux servers, using SSH and using the vi editor etc. It's also required that you already have a Amazon Web Services (AWS) account. We will create a AWS EC2 micro instance running Ubuntu.
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Which VPN protocol to Use: PPTP vs. OpenVPN vs. L2TP

VPN Guide

Which VPN Protocol to Use: OpenVPN vs PPTP vs L2TP vs SSTP
VPN is a big help for people using the Internet, especially those of us who live or work in China. Many first-time VPN users are thrilled to find out they can access blocked sites such as Google, Twitter, Facebook and Youtube again. At the same time, however, many new VPN users are puzzled by the choices of VPN protocols provided by their VPN providers, such as: PPTP, OpenVPN (including UDP and TCP) and L2TP/IPSec etc.
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VPN Guide

VPN Stopped Working? You Might Need to Fix Your Router
When you use VPN in China, you might experience the following problem: The VPN works fine for a number of days, and then suddenly it becomes very unreliable and even stops working. You might suspect the GFW has started blocking your VPN connections, which might be the case. However, it's also quite likely that the problem is caused by your WIFI router. And it's worth checking on your router for better VPN connections.
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VPN Reviews

PureVPN Review (with Discount & Free Trial)
PureVPN is one of the very popular VPN providers with world-wide customers. They have VPN servers in many locations around the world. PureVPN's main website, purevpn.com, is currently blocked in China. If you want to sign up from China, you might have to first use another VPN service to visit PureVPN's website, or you can sign up from a country where it's not blocked. However, once you've signed up and downloaded its VPN client, you can use PureVPN's VPN service from China without further problems.
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VPN.AC review: VPN.ac prices and free trails

VPN Reviews

VPN.AC Review
VPN.ac is a relatively small VPN provider based in Romania. However, this company seems to have a lot of experience serving customers in China. After I signed up their account, the welcome email I received pointed me to their special instruction for China users, which contains information such as which VPN protocols and VPN servers work better in China, as well as suggestions on how to configure DNS servers etc. VPN.ac offers multiple VPN protocol types such as OpenVPN, L2TP/IPSec, PPTP and has multiple VPN nodes in 16 countries.
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