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Data Cloud URL Filtering
With continuous development of Internet technology and Web 2.0, SNS, blog services, Wiki, Twitter, Webmail and free spaces have mushroomed among internet applications, helping people creat an easier life, more efficient production, and creat need for URL filtering technology to evolve. URL filtering is now being added to the security arsenal as a key component of protection, to ensure a high productivity and prevent internet addiction and abuse. Today's Web sites are increasingly complicated, coupled with vast user-generated data in Web and a dramatic speed of expansion. In this scenario, traditional URL filtering solutions cannot keep up with today's threats due to their technical limitation. Whereas, Data Cloud URL filtering appeared as it solved the drawbacks of traditional URL filtering solutions, providing a more correct real-time categorization with more diversified data. It provides most user need-relevant URL filtering despite of language, cultural and geographical limitations, then form a virtual community where users are capable of sharing what they have.
 
Anchiva Data Cloud Filtering technology consists of two parts: Anchiva secure web gateway deployed at the board of enterprise network and Anchiva Data Cloud URL Categorization Center. These two elements get latest URL categorizations by real-time communications, breaking limitation of traditional local database. Unlike other cloud-based technology, Anchiva secure web gateway integrates URL cache which stores most relevant URL for each individual user. It can enrich itself as users generate new requests so as to ensure providing more accurate URL filtering that users rightly need.
 
Please see how Anchva secure web gateway processes URL filering to HTTP-GET requests.
1. URL matching engine of Anchiva secure web gateway receive HTTP-GET requests from local users.
2. URL matching engine looks for relevant URL category from local cache in Anchiva secure web gateway.
3. If right category is found, the HTTP-GET request will be allowed or blocked according to predefined policies.
4. If right category isn't found,  URL matching engine sends HTTP-GET request to Anchiva Data Cloud URL Categorization Center.
5. An auto inqury conducted and right category is returned to URL matching engine.
6. With feedback from URL Categorization Center, HTTP-GET request is allowed or blocked according to predefined policies for the category.
 
A fact needs to be clarified here that no URL filtering technology is capable of 100% covering all categories in a Web 2.0 era. Those uncategorized browsing requests are redirected to categorization engine in the cloud, and return the feedback within 24 hours. Then, a virtual user community is formed where where sites growing in popularity can be queried once by a community member and already categorized for the next users looking for that site. This user interaction ensures that the Data Cloud is continually updated and expanded, perfectly serving as the most efficient, proactive and practical technology in URL collection and classification.
 
Learn more about Anchiva Data Cloud URL Filtering Technology, please download Anchiva Data Cloud URL Filtering Whitepaper.
 
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