CompTIA Security+ All-in-One Exam Guide (Exam SY0-301), 3rd Edition, 3rd Edition

Web Security Gateway

Some security vendors combine proxy functions with content-filtering functions to create a product called a web security gateway. Web security gateways are intended to address the security threats and pitfalls unique to web-based traffic. Web security gateways typically provide the following capabilities:

• Real-time Malware Protection (also known as malware inspection) Some web security gateways have the ability to scan all outgoing and incoming web traffic to detect and block undesirable traffic such as malware, spyware, adware, malicious scripts, file-based attacks, and so on.
• Content monitoring Some web security gateways provide the ability to monitor the content of web traffic being examined to ensure that it complies ...