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Introduction to Scientific Internet Access

#科学上网#工具#VPN900
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Scientific internet access refers to using various techniques to bypass internet censorship and access blocked or restricted websites and content. The main methods of scientific internet access include VPN (Virtual Private Network), proxy, Shadowsocks, and V2Ray. Each method has its advantages and disadvantages. VPN is simple to use but may be blocked or disrupted and has some cost and security risks. Proxy is flexible but has slow speed, poor stability, and security risks. Shadowsocks is lightweight and difficult to detect or block but requires server setup and has cost and security risks. V2Ray is powerful and supports multiple protocols but also requires server setup and has complex configuration and security risks. Various tools are available to help with scientific internet access, including V2ray, Clash, Shadowsocks, and Trojan, each with their own features and suitable scenarios. VPN tools such as ExpressVPN, NordVPN, and Surfshark, proxy tools like Lantern, Psiphon, and Freegate, Shadowsocks tools like Shadowsocks and ShadowsocksR, and V2Ray tools like V2RayN, V2RayNG, and Qv2ray are commonly used. Download links for these tools are provided.

Scientific Internet access refers to the use of certain techniques to bypass network censorship and access blocked or restricted websites and content. There are many ways to achieve scientific Internet access, but they can mainly be classified into the following categories:

Categories#

  • VPN (Virtual Private Network): VPN is a method of establishing a secure private network on a public network through encryption and tunneling technology. VPN allows users to connect to target websites through a remote server, hiding their real IP address and geographical location to avoid monitoring and interference. The advantages of VPN are simplicity, fast speed, good compatibility, and suitability for most scenarios. The disadvantages of VPN are the possibility of being blocked or interfered with, the need for constant updates and server changes, as well as certain costs and security risks.
  • Proxy: Proxy is a method of accessing target websites by forwarding user requests and responses through an intermediate server. Proxies can be divided into different types such as HTTP proxies, SOCKS proxies, and web proxies, with different characteristics depending on whether they are encrypted and whether client software is required. The advantages of proxies are flexibility and variety, allowing for settings tailored to different protocols and applications, and there are many free or low-cost services to choose from. The disadvantages of proxies are slow speed, poor stability, easy detection and blocking, as well as certain security risks.
  • Shadowsocks: Shadowsocks is a proxy software based on the SOCKS5 protocol. It establishes a secure tunnel between the client and the server through encryption and obfuscation techniques, enabling scientific Internet access. The advantages of Shadowsocks are lightweight, fast speed, good stability, difficulty in detection and blocking, and support for multiple platforms and devices. The disadvantages of Shadowsocks are the need to build or purchase servers, relatively complex configuration, as well as certain costs and security risks.
  • V2Ray (Project V): V2Ray is a proxy software that integrates multiple protocols and functions. It establishes a secure tunnel between the client and the server through encryption and obfuscation techniques, enabling scientific Internet access. The advantages of V2Ray are powerful functionality, support for multiple protocols and modes such as VMess, VLESS, Trojan, Socks, HTTP, etc., and the ability to cope with various network environments and censorship methods. It also supports multiple platforms and devices. The disadvantages of V2Ray are the need to build or purchase servers, extremely complex configuration, as well as certain costs and security risks.

The above are several common methods of scientific Internet access and their advantages and disadvantages. Now let's take a look at some tools that can help us achieve scientific Internet access and provide download links:

Tools#

The following are several commonly used tools, their advantages and disadvantages, and download links.

  1. V2ray
    V2ray is a proxy software based on the VMess protocol, which can achieve various transmission methods such as TCP, WebSocket, mKCP, etc. The advantages of V2ray are stability, security, and flexibility. The disadvantage is that the configuration is more complex and requires building your own server or purchasing airport services. V2ray has multiple clients such as V2rayN, V2rayNG, Qv2ray, etc., and you can choose the appropriate client according to your platform.

  2. Clash
    Clash is a proxy software that supports multiple protocols such as SS, SSR, V2ray, Trojan, etc. The advantages of Clash are advanced features such as rule-based routing, load balancing, and policy groups. The disadvantage is that it requires writing or subscribing to configuration files, which is not very suitable for beginners. Clash also has multiple clients such as Clash for Windows, ClashX, Clash for Android, etc.

  3. Shadowsocks
    Shadowsocks is a proxy software based on the Socks5 protocol, which can achieve simple and fast scientific Internet access. The advantages of Shadowsocks are lightweight, easy to use, and cross-platform. The disadvantage is that it is easy to be blocked and requires frequent server changes or the use of obfuscation plugins. Shadowsocks has many clients such as Shadowsocks Windows, Shadowsocks Android, Shadowrocket, etc.

  4. Trojan
    Trojan is a proxy software based on the HTTPS protocol, which can disguise itself as normal website traffic to avoid detection and interference. The advantages of Trojan are high concealment, fast speed, and good compatibility. The disadvantage is that it requires purchasing domain names and certificates, as well as building servers. Trojan has some clients such as Trojan Windows, Trojan Android, Pharos Pro, etc.

The above are the four tools introduced in this article for scientific Internet access. Each tool has its own characteristics and applicable scenarios, so you can choose the appropriate tool according to your needs and preferences. Below are the download links for each tool:

Download Links#

Thank you for reading this article, and I hope it is helpful to you.

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