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Built-in deep inspection security support ensures protection for mobile workers on the wireless LAN

London, UK – March 14, 2005 – SonicWALL, Inc. (NASDAQ: SNWL) today introduced the SonicWALL TZ 150 Wireless, a dynamic security appliance designed expressly for small businesses and home offices, which integrates secure 802.11b/g wireless and a deep packet inspection firewall in an easy-to-use, low cost platform. The TZ 150 Wireless is the first sub-€400 wireless firewall capable of scanning both wired and wireless traffic at the gateway for viruses, spyware and application-level attacks.

The small business segment offers the highest wireless market growth opportunity for wireless, according to a November 2004 study by Infonetics Research, but security remains a significant barrier to widespread adoption of wireless LANs. To compound the problem, mobile workers are particularly vulnerable to viruses, worms and spyware - estimated by the 2004 CSI/FBI Computer Crime and Security Survey to be the most costly of current security threats - because of their use of unprotected hotspots and hotels.

“A firewall that can’t prevent dynamic threats is not providing adequate security for today’s environment,” said Matthew Medeiros, president and CEO of SonicWALL. “Viruses, worms and spyware are severe drains on cost to every size of business. By equipping our small business firewalls with gateway protection capabilities, adding wireless to the mix, and making them remarkably easy to use, SonicWALL has created a multi-functional, powerful and highly affordable solution that will keep small office users safe, mobile and productive.”

The TZ 150 Wireless provides flexible wireless client security through a choice of enforced VPN encryption, WPA using either PSK or EAP-TLS, EAP-TTLS or PEAP, or WEP. An additional layer of wireless security is afforded by wireless intrusion detection and prevention and rogue access point detection with automated alerting and logging providing administrators a pinpoint view of the network airspace. Through SonicWALL’s innovative Wireless Guest Services, it is also easy to provide completely secure guest Internet access without compromising the security of the Local Area Network.

The TZ 150 Wireless can be managed locally through a Web Management Interface or remotely via HTTPS or as part of a multi-firewall and VPN environment using SonicWALL’s Global Management System (GMS), making the TZ 150 Wireless an ideal offering for Internet service providers, managed security service providers, and distributed enterprise networks.

Designed for networks with less than 10 users sharing a DSL, cable or other broadband connection, the TZ 150 Wireless supports 802.11b/g wireless LAN (WLAN) technology for 54 Mbps wireless performance while delivering 30+ Mbps of stateful packet firewall, 10+ Mbps of 3DES/AES VPN, and 5+ Mbps of deep packet inspection throughput on a combination of both the wired and wireless LANs.

Priced at £259 (€368), the TZ 150 Wireless ships with 30 day subscriptions to Gateway Anti-Virus, Anti-Spyware and Intrusion Prevention Service, Content Filtering Service, and 5 enforced desktop anti-virus clients and is available immediately.

About SonicWALL, Inc.
SonicWALL, Inc. is a leading provider of integrated network security, mobility, and productivity solutions for the SMB, enterprise, e-commerce, education, healthcare, retail/point-of-sale, and government markets. Core technologies include firewall, VPN, wireless, intrusion detection and prevention, SSL, anti-virus, and content filtering, along with award-winning security management solutions. Together, these products and technologies provide the most comprehensive distributed enforcement architecture available. SonicWALL, Inc. is headquartered in Sunnyvale, CA. SonicWALL trades on the NASDAQ exchange under the symbol SNWL. For more information, contact SonicWALL at +44 (0)1344 668090 or visit the company Web site at

For Additional Information Contact:

Katy Sutcliffe
Marketing Manager
SonicWALL UK, Middle East & Africa
Tel: +44 (0)1344 668090

Paul Shlackman
Write Angle Communications
Tel: +44 (0)1276 683228
Mobile: +44 (0)7775 655363

Safe Harbor Regarding Forward-Looking Statements
Certain statements in this press release are "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995. The forward-looking statements include but are not limited to statements regarding SonicWALL’s ability to provide updated and comprehensive protection from content-based threats, the ease of management of the TZ150 device, and our ability to address requirements of the small and medium sized business. These forward-looking statements are based on the opinions and estimates of management at the time the statements are made and are subject to certain risks and uncertainties that could cause actual results to differ materially from those anticipated in the forward-looking statements. In addition, please see the "Risk Factors" described in our Securities and Exchange Commission filings, including our Annual Report on Form 10-K for the year ended December 31, 2003 and Form 10-Q for subsequent periods, for a more detailed description of the risks facing our business. All forward-looking statements included in this release are based upon information available to SonicWALL as of the date of the release, and we assume no obligation to update any such forward-looking statement.

NOTE: SonicWALL is a registered trademark of SonicWALL, Inc. Other product and company names mentioned herein may be trademarks and/or registered trademarks of their respective companies.

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