How to build http proxy on vps? Using Squid to quickly deploy a private proxy service

Hands-on teaching you to use VPS to build a dedicated HTTP proxy

Recently, people always ask me, with VPS to get a proxy server in the end is not reliable? Today we will use the most common Squid software to teach you to quickly deploy a private proxy service. Don't worry, as long as you follow the steps, white people can also easily handle!

Why do I need a private agent?

There are all sorts of agency services on the market, but there are three hardcore advantages to building your own:Full control of IP usage frequency,Customized access rules,Better value for money in the long run. Especially for those who do cross-border e-commerce, managing multiple store accounts with your own agent is both safe and hassle-free.

What to look for in hardware preparation?

Let's start with the VPS selection, 1G of RAM is recommended to start with (512M will work just fine). The point is coming! It is recommended to useipipgo cloud serverThe CN2 line comes with a high-quality IP pool, and when deploying proxies, you can also directly call the ready-made IP resources. When choosing a system, Ubuntu 20.04 is recommended for the best compatibility.

 Update the repositories (don't skip this step!)
sudo apt update && sudo apt upgrade -y

 Install Squid core components
sudo apt install squid -y

 Backup the original configuration file (important!)
sudo cp /etc/squid/squid.conf /etc/squid/squid.conf.bak

Configuration file modification know-how

Don't panic when opening the configuration file, focus on these parameters:

 Modify the access privilege configuration
http_access allow all

 Set the cache policy (change the value to a smaller value for machines with less memory)
cache_dir ufs /var/spool/squid 100 16 256

防火代理设置避坑指南

很多新手栽在防火代理配置上。切记要开放Squid端口，用这组命令搞定：

sudo ufw allow 3128/tcp
sudo ufw reload
sudo systemctl restart squid

QA Time: Mine clearance of frequently asked questions

Q: I can't open the web page even though the proxy is connected?
A: 90% is DNS resolution problem, add dns_nameservers 8.8.8.8 in squid.conf.

Q: How can I view real-time access logs?
A: Execute tail -f /var/log/squid/access.log to keep track of all requests.

Q: What if I want to change my IP?
A: If you are a user of ipipgo cloud server, you can directly click the "Change IP" button on the console, and the switch will be completed in 3 seconds.

Advanced Tips: IP Rotation Program

If you need to switch between multiple IPs, it is recommended to pairipipgo Dynamic Residential Proxy. Their API interface can interface directly with Squid to implement:

• Automatic IP switching according to business requirements
• Country/city-specific positioning
• Up to 100 requests per second

As a final reminder, self-built proxies should regularly check Squid logs. If you encounter performance problems, you can upgrade to ipipgo's enterprise-grade cloud server package, their GPU computing power resources specifically optimized for proxy services, measured concurrent performance enhancement of more than 3 times. Technical problems are welcome to leave a message, see all will be back!