如何为 4Chan 设置代理？

Guide to Configuring and Using a Proxy for 4chan

4chan remains one of the last bastions of the "old internet," where near-absolute anonymity is valued, no registration is required, and moderation is minimal. However, this very freedom makes the resource a target for blocks—from state censors to system administrators in offices and universities. Furthermore, 4chan's own administration strictly moderates suspicious activity by IP.

In this guide, we'll break down how to effectively use a proxy for 4chan, bypass restrictions, and what to look for when choosing a technical solution.

Why is 4chan blocked and why do you need a proxy?

Even with minimal censorship, users face bans. Often, this happens through no fault of your own—you might simply have inherited a banned IP from your ISP.

1. Regional and Local Restrictions
   In several countries (e.g., Turkey, Indonesia, China), the forum is blocked at the state level. In other regions, specific boards may be inaccessible. Additionally, access to 4chan is often restricted in corporate networks and educational institutions to prevent users from being distracted by "inappropriate" content. A proxy masks your real address, allowing you to bypass these artificial barriers.

2. Protecting Personal Anonymity
   Despite the lack of accounts, every action you take leaves a digital footprint. Your IP address is visible to the platform's servers and can be tracked within the local network (e.g., by your employer). Using an intermediary server isolates your session, creating a protective layer between your device and the forum.

3. Automation and Scraping
   If you use scripts to monitor threads or collect data (scraping), a high frequency of requests will instantly lead to a block. 4chan's protective filters are configured to detect bots. A proxy farm with rotation allows you to distribute the load, mimicking the actions of many independent users.

4. Bypassing Range Bans (Subnet Blocks)
   This is a specific problem with 4chan. Moderators often ban not just a single IP but an entire ISP subnet (e.g., if mass spam originated from that network). In such a case, even restarting your router won't help—you need a clean address from another region or a different provider.

Comparison of Proxy Types

Not all proxies are equally useful for "boards." The choice depends on your goals: simple reading or active posting.

Expert Advice: If your goal is posting messages, forget about free proxies. They are in blacklists 99% of the time. Use residential proxies with SOCKS5 protocol support—it handles data transfer and complex network requests better.

4chan Pass and Proxies

An important nuance that many miss: 4chan actively fights the use of proxies and VPNs for posting. If the system detects you are using a public proxy server, you will see a message: "Automated posting from your IP range is blocked".

How to bypass this?

1. Using 4chan Pass: This is a paid token ($20 per year) that allows you to post without captchas and through most proxies/VPNs. This is the best method for active users.

2. Clean Residential IPs: High-quality private proxies with a "clean" history often allow you to bypass proxy-detector checks.

Configuring Proxies on Various Devices

Windows and macOS

System-level configuration allows you to route all traffic through the proxy.

• Windows: Settings -> Network & Internet -> Proxy.

• macOS: System Preferences -> Network -> Advanced -> Proxies.

Browsers

It is recommended to use extensions such as FoxyProxy or Proxy SwitchyOmega. They allow you to configure a proxy for only a single tab or a specific domain (4chan.org), without slowing down the rest of your internet activity.

Mobile Devices

For smartphones, it's best to use specialized applications:

• Android: Postern or specialized clients for Shadowsocks.

• iOS: Shadowrocket or Potatso. These applications allow flexible management of routing rules.

Solving Typical Problems

• Error 403 Forbidden: Most likely, your proxy server has ended up on a global ban list. Try changing the location or proxy type (from datacenter to residential).

• Endless Captcha: This is a sign of low "trust" for your IP. Try clearing cookies or changing your IP to a mobile one.

• Slow Image Loading: Use proxies with servers located closer to the US or Europe, as 4chan's main servers are located there.