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How Stateful Packet Inspection (SPI) Works in Firewalls?

Monday, June 24, 2013 6:44:21 PM America/New_York

Stateful Packet Inspection or SPI, which is sometimes also referred to as Dynamic Packet Inspection, is the process in which incoming and outgoing packets are deep inspected dynamically for their authenticity. Stateful Packet Inspection is mostly performed by the layer 3 devices such as firewalls or routers. When a firewall is configured for Stateful Packet Inspection, it monitors the network connections, records the current status of a packet as it leaves the interface, and tracks it until the packet reaches to its correct destination host. Read More
Posted in Product Information How To & Tips Documentation By Tech Team

How Port Aggregation Works in Firewalls?

Sunday, June 9, 2013 8:34:35 AM America/New_York

Port aggregation is a process in which multiple ports of a network device, such as a firewall, a LAN switch or a server are combined together to work as a single LAN port. The benefit of configuring port aggregation on a network device is that the device can support increased throughput while handling heavy network traffic. Read More
Posted in How To & Tips Documentation Internet Security By Tech Team

Why You Should Document Firewall Policy Changes

Thursday, July 19, 2012 1:27:36 PM America/New_York

At a glance implementing a firewall change may appear a simple task, but in reality it may not be so. Common firewall changes include: adding, removing or modifying firewall rules and objects. Firewall rules and objects can change as a response to new threats, network modifications or the use of new services. Read More
Posted in News How To & Tips Documentation By Tech Team

UTM: Throughput and Performance Best Practices Guide

Friday, June 29, 2012 2:26:41 PM America/New_York

UTM firewall buyers guideThis article gives a list of possible reasons causing throughput and performance issues in the SonicWALL UTM appliance. The list is not complete but only an enumeration of some of the common possible solutions. Each SonicWALL UTM appliance series has different performance capabilities depending upon hardware specifications such as the CPU, the RAM or the Flash memory. It is recommended to check the particular device's capabilities before deciding that the performance related issues with the device is due to other factors. Read More

SonicOS Version Now Available

Tuesday, January 31, 2012 10:01:33 AM America/New_York

sonicos releasedThe SonicOS is released. It resolved many issues, like: Domain limitation for Content Filtering System, Newly added Common Name Exclusions in DPI-SSL, duplicate policies and extra characters in NAT Policy of Networking, fixed for user level Authentication and many more. Read More
Posted in Documentation What's New By Tech Team

What is Border Gateway Protocol (BGP)

Sunday, May 8, 2011 1:06:15 PM America/New_York

BGP is the only protocol that is designed to deal with a network of the Internet's size, and the only protocol that can deal well with having multiple connections to unrelated routing domains. Now, you can have it on your SonicWALL firewalls, with SonicOS Expanded Read More


Posted in Documentation By Security Team

The Next Generation is the Smart Generation

Wednesday, January 5, 2011 1:33:18 PM America/New_York

Learn how innovations such as mobility, Web 2.0, social media and cloud computing have dramatically changed the IT landscape and introduced new security threats into corporate and government networks. Now traditional firewalls are coming up short as protocol and port number classifications have been rendered ineffective in blocking threats. In a bold move to reclaim control, CIOs and IT managers are looking to next-generation firewalls with application-layer intelligence that stands strong against today’s threats. It’s that kind of fortified protection that will enable organizations to fully embrace and leverage such innovations going forward.

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Posted in Documentation By Security Team

SonicWALL 2400 Product Review

Monday, May 10, 2010 8:26:32 AM America/New_York

SonicWALL 2400 The SonicWALL 2400 is a next-generation Unified Threat Management platform, utilizing a breakthrough multi-core hardware design and Patented Reassembly-Free DPI with 6GbE interfaces to deliver real-time network protection without compromising performance. Designed for SME and branch office networks the NSA 2400 offers best-in-class threat prevention, rapid deployment and lowered TCO
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SonicWALL Bandwidth Limit Management Part I

Monday, May 10, 2010 7:36:34 AM America/New_York

sonic OS SonicOS Enhanced offers an integrated traffic shaping mechanism through its inbound and outbound bandwidth management (BWM) interfaces. Outbound BWM can be applied to traffic sourced from Trusted and Public Zones (such as LAN and DMZ) destined to Untrusted and Encrypted Zones (such as WAN and VPN). Inbound BWM can be applied to traffic sourced from Untrusted and Encrypted Zones destined to Trusted and Public Zones. In this video we are going to demonstrate how to use SonicWALL's bandwidth throttling feature to increase the performance of a VPN tunnel.
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Posted in How To & Tips Documentation By Support Team

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