CDN & Cybersecurity Engineer - Web performance & security at CDN Tech / Ecritel
Real User
2021-02-10T08:22:26Z
Feb 10, 2021
Layer 3 or 4 DDoS are absorbed by the CDN as design (IP, TCP ,UDP), the high volume doesn't reach your origin server so you are automatically protected.
But in case of layer 7 DDoS, all application attacks (SQL injections, XSS, Remote file inclusion), you need a Web Application Firewall (WAF) to protect against this kind of threat, the CDN will not "see" and of course not block these attacks (and it's not his role)
Founder and Strategic Business Development with 11-50 employees
User
2020-06-19T02:50:25Z
Jun 19, 2020
Because the CDN have normally a WAF, a reverse proxy and a lot of locations to replicate in miliseconds your site. I know Cloudflare better and this is the response can I answer you.
What is a CDN? A CDN (content delivery network or content distribution network) is a network of proxy servers and their data centers that is geographically distributed and that work together to deliver internet content. The goal of a CDN is to deliver content as cheaply, quickly, securely, and reliably as possible. The majority of web traffic today is served through CDNs, which are a paid third-party service.CDNs allow for the rapid transfer of whatever assets are needed for loading...
Layer 3 or 4 DDoS are absorbed by the CDN as design (IP, TCP ,UDP), the high volume doesn't reach your origin server so you are automatically protected.
But in case of layer 7 DDoS, all application attacks (SQL injections, XSS, Remote file inclusion), you need a Web Application Firewall (WAF) to protect against this kind of threat, the CDN will not "see" and of course not block these attacks (and it's not his role)
Because the CDN have normally a WAF, a reverse proxy and a lot of locations to replicate in miliseconds your site. I know Cloudflare better and this is the response can I answer you.