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The Network Security SonicOS Platform Deep Packet Inspection

Going far beyond simple stateful inspection, the Dell™ SonicWALL™ Reassembly-Free Deep Packet Inspection™ (RFDPI) engine scans against multiple application types and protocols to ensure your network is protected from internal and external attacks as well as application vulnerabilities. Unlike other scanning engines, the RFDPI engine is not limited by file size or the amount of concurrent traffic it can scan, making our solutions second to none. By working at the application layer, RFDPI protects against hidden application vulnerabilities that may be inadvertently letting attackers in through an unknown back door.

Simple, secure and cost-effective.

The patented1 RFDPI engine is at the heart of every Dell SonicWALL network security solution. This patented technology unifies multiple security products into a single integrated suite, enabling administrators to manage local, remote and mobile network security simply and cost-effectively. RFDPI increases productivity by allowing IT to create reusable and adaptive policy control. More than simply a security approach, RFDPI incorporates object-based contextual controls over user identity and access, application identity and access, data leakage, network optimization and granular reporting, auditing and forensics.

Controlling applications in the organization.

It can be a real challenge for IT administrators to efficiently deliver critical corporate solutions while also contending with employee use of wasteful and often dangerous applications. Critical applications need bandwidth prioritization while social media and gaming applications need to be bandwidth throttled or completely blocked. Stateful packet inspection firewalls used in many organizations rely on port and protocol; they cannot solve the problem because they are not able to identify applications.

Dell SonicWALL’s Reassembly-Free Deep Packet Inspection engine examines all downloaded, emailed and compressed files at the application layer to protect against the more sophisticated attacks that target application vulnerabilities. Scanning every byte of every packet of all network traffic, Dell SonicWALL provides complete Application Intelligence and Control, regardless of port or protocol, by determining exactly what applications are being used and who is using them. Administrators can easily create bandwidth management policies based on logical pre-defined categories (such as social media or gaming), individual applications, or even users and groups.  Dell SonicWALL puts the power back in the hands of IT administrators.

Dell SonicWALL Deep Packet Inspection Architecture

Dell SonicWALL Deep Packet Inspection Architecture

Protection against both internal and external attacks.

The attacks that happen daily against corporate networks do not just come from hackers halfway across the world. Many come from within your own organization. Disgruntled employees or even trusted workers who have inappropriate access should all be considered a threat. In addition, internal threats may appear completely by accident. Honest employees may accidentally open up a back door without even realizing it.

Deep packet inspection scans multiple application types and covers many protocols, including SMTP, POP3, IMAP, FTP, HTTP and NetBIOS. It also scans all network layers. As a result, your network is protected from both internal and external threats.

  1. U.S. Patents 7,310,815; 7,600,257; 7,738,380; 7,835,361– A method and apparatus for data stream analysis and blocking.