DEV Community

What Is a DDoS Attack and How Can We Defend Against It?

DDoS attacks overwhelm online services with traffic, causing outages and impacting businesses. These attacks utilize botnets to flood servers, leading to service downtime and financial losses. Several types exist, including volumetric, protocol, and application layer attacks, each targeting different aspects of the system. Application layer attacks are particularly insidious, mimicking legitimate traffic and bypassing basic defenses. The real-world consequences include revenue loss, reputational damage, and increased infrastructure costs. Effective defense requires a layered strategy involving CDNs, rate limiting, traffic filtering, and web application firewalls (WAFs). Behavioral analysis and CAPTCHAs further enhance security. SafeLine WAF plays a crucial role, specifically targeting application-layer attacks with features like HTTP flood detection and custom rules. A multi-layered approach combining various tools, including SafeLine WAF, is essential for comprehensive protection against sophisticated DDoS attacks. The continuous evolution of DDoS attacks necessitates ongoing adaptation and robust security measures.
favicon
dev.to
dev.to
Image for the article: What Is a DDoS Attack and How Can We Defend Against It?
Create attached notes ...