This article relies largely or entirely on a single source . Relevant discussion may be found on the talk page. Please help improve this article by introducing citations to additional sources. Find sources:  "Security appliance"  –  news · newspapers · books · scholar · JSTOR (June 2025)

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.

References

This computer networking article is a stub. You can help Wikipedia by expanding it.

• v
• t
• e