Security appliance

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A security appliance is any form of server appliance that is designed to protect computer networks from unwanted traffic.^[1]

Types of security appliances

• Active devices block unwanted traffic. Examples of such devices are firewalls, anti virus scanning devices, and content filtering devices.
• Passive devices detect and report on unwanted traffic, such as intrusion detection appliances.
• Preventative devices scan networks and identify potential security problems (such as penetration testing and vulnerability assessment appliances).
• Unified Threat Management (UTM) appliances combine features together into one system, such as some firewalls, content filtering, web caching etc.

Examples

Examples of a security appliance include:

• Aladdin Knowledge Systems eSafe Content Security Solution^[2]
• ApplianSys AUDITbox vulnerability assessment and CACHEbox web cache/content filtering appliances.
• Blue Coat Systems ProxySG UTM appliance.
• Blue Pex Security Solutins UTM appliance.
• CISCO Systems PIX firewall and Cyberoam UTM appliances.
• Check Point UTM-1 Edge, Power-1, VSX-1, IP Appliances (Formerly a Nokia Product Line).^[3]
• Distil Networks Virtual or Physical Appliances for Bot Detection ^[4]
• Finjan Vital Security - Secure Web Gateways.^[5]
• F5 Networks BIG-IP security appliances.
• Global Technology Associates, Inc. Firewall Appliance
• IronPort Web and Email security appliances.
• Imperva SecureSphere datebase and file security appliance.^[6]
• Innominate mGuard Firewall and VPN Security appliances.^[7]
• Palo Alto Networks Next Generation Firewalls.^[8]
• SonicWall UTM appliances.
• Shieldcore Systems
• Rapid7
• Radware DefensePro - Application Security & Network Intrusion Prevention System.^[9]
• VNS3 (a software-only virtual appliance)
• Vyatta (a Linux distro that reproduces the functionality of a security appliance)
• Websense (Application Security & Network Intrusion Prevention System)
• EJBCA Appliance (PrimeKey PKI Appliance, Certificate Authority including Hardware security module)

References

1. Parker, Don (Oct 6, 2005), "Standardization and the security appliance", WindowsSecurity.com
2. "Aladdin eSafe Appliance - Product Review". July 1, 2002, PC Magazine.
3. "Check Point Completes Acquisition of Nokia Security Appliance Business". 2009-04-13. Retrieved 2009-04-13.
4. "Private Cloud Deployment on Virtual or Physical Appliances". Distil Networks.
5. Finjan - Vital Security - Web Security Gateway Appliance for Web Security, retrieved 2010-04-24
6. "SecureSphere Platforms - Web, Database, and File Security". Imperva.
7. "Unbreakable SCADA Security". June 7, 2012, DownstreamToday.com.
8. "Palo Alto Networks".
9. Radware - DefensePro - Application Security & Network Intrusion Prevention System