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Proxynet Blog – Page 4

  1. Published

    TypeError: fetch failed in Node.js: Causes and Fixes

    TypeError: fetch failed in Node.js hides the real error in err.cause. Learn to read it and fix DNS, connection, timeout, certificate and proxy causes.

    Written by: Acar Diveroli

  2. Published

    Unable to Get Local Issuer Certificate: Causes and Fixes

    Unable to get local issuer certificate means your tool cannot find the CA that signed the server's chain. The three causes and fixes for Python, npm, Git, curl.

    Written by: Acar Diveroli

  3. Published

    What Is a WAF (Web Application Firewall)? How It Works

    A WAF (web application firewall) checks HTTP requests before they reach a site and blocks attacks. Where it sits, how rules decide and what block pages mean.

    Written by: Acar Diveroli

  4. Published

    What Is a Web Scraping API? How It Works and When to Use One

    A web scraping API fetches pages for you: send a URL, and it handles proxies, rendering and retries, then returns HTML, JSON or Markdown. When to use one.

    Written by: Acar Diveroli

  5. Published

    Windows Could Not Automatically Detect Proxy Settings: Fix

    Windows could not automatically detect this network's proxy settings means no working proxy setup was found. Often harmless; fixes for Windows 11 and 10.

    Written by: Acar Diveroli

  6. Published

    502 Bad Gateway Error: What It Means and How to Fix It

    502 bad gateway means a server in front of the site, such as a proxy or CDN, got an invalid answer from the server behind it. What to try and how owners fix it.

    Written by: Acar Diveroli

  7. Published

    Access to This Page Has Been Denied: Causes and Fixes

    Access to this page has been denied is HUMAN's (formerly PerimeterX) bot check. Turn on JavaScript and cookies, pause blockers and VPNs, then press and hold.

    Written by: Acar Diveroli

  8. Published

    Browser Use With a Proxy: Set Up the AI Browser Agent

    Browser Use lets an LLM drive a real browser from Python. Set up the agent with an authenticated proxy, check its exit IP and limit the sites it can visit.

    Written by: Acar Diveroli

  9. Published

    How to Fix err_ssl_protocol_error in Chrome and Edge

    err_ssl_protocol_error means Chrome or Edge reached the site, but the secure handshake failed. How to tell if your device, network or the site is to blame.

    Written by: Acar Diveroli

  10. Published

    How to Fix err_too_many_redirects (Too Many Redirects)

    err_too_many_redirects means a site sent your browser around in a loop until it gave up. Fixes for visitors, site owners and scraper code.

    Written by: Acar Diveroli

  11. Published

    Playwright Timeout 30000ms Exceeded: Causes and Fixes

    Playwright timeout 30000ms exceeded means a navigation, a locator, an expect check or the whole test ran out of time. Read the call log, then fix the cause.

    Written by: Acar Diveroli

  12. Published

    What Is an AI Browser? Agentic Browsers and Their Risks

    An AI browser has a built-in assistant that reads pages and can act for you. How agentic browsers work, the prompt injection risk and safer habits.

    Written by: Acar Diveroli

  1. TypeError: fetch failed in Node.js: Causes and Fixes

    Tutorial

    Published

  2. Unable to Get Local Issuer Certificate: Causes and Fixes

    Tutorial

    Published

  3. What Is a WAF (Web Application Firewall)? How It Works

    Web Scraping

    Published

  4. What Is a Web Scraping API? How It Works and When to Use One

    Web Scraping

    Published

  5. Windows Could Not Automatically Detect Proxy Settings: Fix

    Tutorial

    Published

  6. 502 Bad Gateway Error: What It Means and How to Fix It

    Tutorial

    Published

  7. Access to This Page Has Been Denied: Causes and Fixes

    Web Scraping

    Published

  8. Browser Use With a Proxy: Set Up the AI Browser Agent

    Integration

    Published

  9. How to Fix err_ssl_protocol_error in Chrome and Edge

    Tutorial

    Published

  10. How to Fix err_too_many_redirects (Too Many Redirects)

    Tutorial

    Published

  11. Playwright Timeout 30000ms Exceeded: Causes and Fixes

    Tutorial

    Published

  12. What Is an AI Browser? Agentic Browsers and Their Risks

    AI

    Published