Wireless firm SonicWALL has launched an intrusion prevention service available by annual subscription, from $500 per applicance.

The technology will deliver a signature engine for protection to services, such as web, e-mail and DNS.

The signature language used in the deep packet inspection will provide a defence against vulnerabilities, a spokesperson for the company said.

The intrusion prevention service will be available worlwide on the SonicWALL TZ 170 and PRO 2040, 3060, 4060, and 5060 models later in the year.

www.sonicwall.com