How VergeCloud Stops DDoS Attacks

DDoS attacks usually fall into two broad categories. The first targets the network layer with extremely large traffic floods designed to consume bandwidth or overload servers. The second category focuses on the application layer where attackers generate requests that look legitimate but are intended to exhaust application resources.

VergeCloud addresses both types through its distributed edge network. When a user connects to your website through VergeCloud, the request is routed to the closest available edge location using Anycast routing. This design spreads incoming traffic across multiple global nodes rather than concentrating it on a single data center.

Each edge node analyzes incoming traffic in real time. Packet patterns, connection behavior, and request characteristics are examined instantly. Traffic that matches attack signatures or abnormal behavior is filtered before it reaches your origin server. Legitimate users continue to access the website normally without being affected by the filtering process.

This distributed inspection model ensures that even very large traffic floods are absorbed across the network rather than overwhelming your infrastructure.

Cookie Challenge introduces a lightweight verification step designed to filter out basic automated tools. When a user visits the site, VergeCloud sets a temporary cookie in the browser. The browser must return this cookie in the next request to prove that it supports normal browser behavior.

Most legitimate users never notice this step because the process completes automatically in the background. However, many simple bots and scripted tools do not properly handle cookies, which allows the platform to identify and block them.

This challenge is particularly effective for public websites that expect traffic from normal browsers. It helps reduce bot traffic, scraping attempts, and simple automation tools without introducing visible friction for real visitors.

For environments that depend on API clients or automated integrations, administrators should confirm that those clients can properly handle cookies before enabling this mode.

The JavaScript Challenge provides a stronger verification step for situations where suspicious traffic increases. In this mode, VergeCloud sends a small JavaScript task that the browser must execute before the request is accepted.

Modern browsers complete this process automatically within a second. For normal users the delay is minimal and often unnoticeable. However many bots and automated frameworks cannot execute JavaScript correctly, which makes this method effective for filtering non human traffic.

This challenge is commonly used during unusual traffic spikes when administrators want stronger filtering but still want to avoid visible CAPTCHA prompts. By requiring JavaScript execution, the system can quickly differentiate between real browsers and automated tools.

It is also useful for blocking scraping systems, credential stuffing attempts, and headless browsing tools that lack full browser capabilities.

CAPTCHA Challenge is the most restrictive protection mode available. In this configuration, users must complete a visual verification step before accessing the requested content. Because this challenge requires human interaction, it prevents even advanced automated systems from proceeding.

CAPTCHA is typically enabled during active attacks or when automated tools repeatedly bypass lighter verification methods. It is also useful for protecting sensitive operations such as login pages, account creation forms, or password reset endpoints.

While highly effective, CAPTCHA introduces noticeable friction for legitimate users. For this reason it should be used selectively rather than as a permanent default setting. Administrators often enable it temporarily during periods of suspicious activity and disable it once traffic returns to normal patterns.

Conclusion