SiteLock WAF / CDN FAQ

How does SiteLock WAF / CDN work?

Through a simple change to your website DNS records (and with no hardware or software required), your website traffic will be seamlessly routed through SiteLock’s globally distributed network of high powered servers. Incoming traffic is intelligently profiled in real-time, blocking the latest web threats (e.g., SQL injection attacks, scrapers, malicious bots, comment spammers) and thwarting triple-digit gigabit DDoS attacks. Meanwhile outgoing traffic is accelerated and optimized with SiteLock’s global Content Delivery Network (CDN), for faster load times, keeping welcome visitors speeding through.

Will SiteLock add latency to my site?

No. SiteLock leverages a distributed network of data centers (Points of Presence or POPs) that ensures that every user and website are serviced by the closest POP. This is the same principal technology that is used by most large websites to accelerate content delivery through a Content Delivery Network (CDN). In fact, SiteLock Ultimate will make your site run faster and consume less computing and bandwidth resources by caching site data and applying other acceleration techniques. The website performance enhancing characteristics of the CDN more than offset the extra hop introduced by routing traffic through our network. The net result is lower latency and faster loading web pages.

What types of web security threats does SiteLock WAF protect against?

SiteLock’s Web Application Firewall (WAF) secures your application from any type of application layer hacking attempt, such as SQL injection, cross site scripting, illegal resource access, and other OWASP Top 10 threats. Advanced client classification technology detects and blocks malicious bots that are often used for application DDoS attacks, scraping and vulnerability scanning.

Will this service make my website faster?

Yes. SiteLock’s Content Delivery Network (CDN) is based on a distributed network of data centers (POPs) that ensures that each user and website is serviced by the closest POP. Furthermore, the CDN service will make your site run faster by caching static content as well as other acceleration techniques. SiteLock applies dynamic profiling algorithms that enable our CDN to maximize cacheable content, including content that other CDNs consider to be uncacheable. This is critical for reducing page load times and server loads, allowing your users to enjoy the best possible experience. In addition, dynamic frequency analysis ensures that the most frequently accessed resources are identified, and that all cached resources are fetched directly from memory. This unique capability speeds up the content delivery by bypassing the file system, without relying on slower access mechanisms such as buffer-cache

How does SiteLock perform dynamic content caching?

SiteLock uses patent-pending advanced learning algorithms that continuously and dynamically profile website resources, gathering intelligence on each resource. Some of these resources, which may be dynamically generated, rarely change over time and for different users. This intelligence allows SiteLock to cache content that others consider to be uncacheable, resulting in optimized caching and high resource accuracy.

How does the service optimize website content?

The service goes beyond content caching to optimize the user experience on your website or application. Numerous content and networking optimization techniques are used to accelerate page rendering and minimize latency. These techniques include content minification, "on the fly" file compression, image compression, session reuse optimization and TCP optimization & connection pre-pooling.

What is DNS and why do I have to change the DNS records?

Your DNS records direct your visitors to your web server IP. To start routing traffic through SiteLock and to take advantage of our security and acceleration services, your DNS records should instruct visitors to send requests to the SiteLock servers. By making two simple DNS changes, your traffic will first be filtered by SiteLock and then forwarded to your web server. There will be no downtime during the transition. For more information, see Set up TrueShield (WAF) and TrueSpeed (CDN).

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