In the use of the Internet, the proxy server plays an important role. It can not only improve the speed of Internet access, but also help users hide the real IP address and protect personal privacy. However, it is not easy to find a reliable proxy server IP address. This article will introduce in detail how to find the correct IP address of the proxy server, including methods such as using free proxy, purchasing proxy services, and self-built proxy servers.

1. What is a proxy server?

A proxy server is an intermediary server located between the user and the target website. When a user accesses a website through a proxy server, the user's request is first sent to the proxy server, which is then forwarded to the target website by the proxy server. The response of the target website is also returned to the user through the proxy server. In this way, the proxy server can hide the user's real IP address.

Types of proxy servers

1. HTTP proxy: Mainly used to process HTTP protocol requests, suitable for web browsing.

2. HTTPS proxy: Used to process encrypted HTTPS requests, providing higher security.

3. SOCKS proxy: Supports multiple network protocols and is suitable for various network applications, such as games, video streaming, etc.

2. How to find the IP address of a proxy server

1. Use a free proxy list

There are many websites on the Internet that provide free proxy server lists. Here are the steps to find a free proxy:

Step 1: Visit the proxy website

You can visit some well-known proxy websites, 

These websites will list many available proxy servers, including their IP addresses, port numbers, types, and anonymity levels.

Step 2: Choose a suitable proxy

In the list, select a proxy server that suits your needs. Pay attention to the type of proxy (HTTP, HTTPS, SOCKS) and the anonymity level. Generally speaking, the higher the anonymity level, the better the privacy protection.

Step 3: Test the proxy

Before using a free proxy, you can use some online tools or software to test the proxy's availability and speed

Through these tools, you can verify whether the proxy server is working properly and its connection speed.

2. Purchase a proxy service

For users who need stable and secure proxy services, purchasing a proxy service is a better choice. Here are the steps to purchase a proxy service:

Step 1: Choose a proxy service provider

There are many proxy service providers on the market, 

Step 2: Register and purchase

Visit the website of the selected proxy service provider, register an account, and choose a suitable package according to your needs. Typically, proxy service providers will provide detailed package descriptions, including the number of available IPs, bandwidth limits, and prices.

Step 3: Get proxy information

After purchase, the service provider will provide the IP address and port number of the proxy server, and usually provide instructions for use. Make sure to read these instructions carefully so that the proxy is configured correctly.

3. Build your own proxy server

For users with technical capabilities, building your own proxy server can provide greater security and control. Here are the basic steps to build your own proxy server:

Step 1: Choose a server

Choose a reliable cloud service provider, such as AWS, DigitalOcean, or Vultr, and rent a virtual private server (VPS).

Step 2: Install the proxy software

Install the proxy software on the VPS. Common proxy software includes:

- Squid: A popular open source proxy server software that supports HTTP, HTTPS, and FTP.

- Shadowsocks: A secure SOCKS5 proxy suitable for bypassing network censorship.

Step 3: Configure the proxy

Configure according to the documentation of the selected software and set the IP address and port of the proxy server. Ensure that the security settings are correct to prevent unauthorized access.

Step 4: Test the proxy

Once the configuration is complete, you can test its availability by accessing the IP address and port of the proxy server.

3. Notes

1. Security: When using free proxies, pay attention to security. Many free proxies may not be safe and may log user data or inject malware. Try to choose a reputable proxy service provider.

2. Speed and stability: Free proxies usually have poor speed and stability, and purchasing a proxy service usually gives you a better experience.

3. Anonymity level: When choosing a proxy, pay attention to its anonymity level. Proxies with high anonymity levels can better protect user privacy.

4. Legal compliance: When using a proxy server, make sure to comply with local laws and regulations. Some regions have strict restrictions on the use of proxies.

Finding the correct IP address of a proxy server can be achieved in a variety of ways, including using a free proxy list, purchasing a proxy service, and building your own proxy server. Each method has its advantages and disadvantages, and users can choose the appropriate method according to their needs. No matter which method you choose, it is crucial to ensure the security and stability of the proxy. I hope this article can help you better understand how to find the IP address of the proxy server and make your network experience smoother and safer.