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Firewall

A firewall is a security device which can be either hardware and/or software based. The purpose of a firewall is to permit or deny proxy data coming in and out of your computer system and/or network. A firewall may simply be hardware deep packet inspection, or linked to various software signatures looking at anti-virus, anti-spam, or phishing threats. In this latter case they are often referred to as UTM devices (Unified Threat Management). If a higher degree of security is required, then a Next Generation Firewall (NGFW) should be considered.

D-Link DSR-250N Wireless N Unified Service RouterD-Link DSR-250N Wireless N Unified Service Router

D-Link DSR-250N Wireless N Unified Service Router

£381.59
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SonicWALL 4300 1U Email Security Appliance with 4GB RAM and Intel Dual Core 2.0 GHz CPUSonicWALL 4300 1U Email Security Appliance with 4GB RAM and Intel Dual Core 2.0 GHz CPU

SonicWALL 4300 1U Email Security Appliance with 4GB RAM and Intel Dual Core 2.0 GHz CPU

£9,197.99
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SonicWALL 3300 1U Email Security Appliance with 2GB RAM and Intel Celeron 440 2.0 GHz CPU

SonicWALL 3300 1U Email Security Appliance with 2GB RAM and Intel Celeron 440 2.0 GHz CPU

£1,966.31
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