FUNDAMENTALS OF COMPUTER

COMPUTER THREATS SECURITY

TYPES OF NETWORK SECURITY

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

What type of firewall is also known as a proxy server?

A	application-level
B	circuit-filtering
C	packet-filtering
D	stateful

Explanation:

Detailed explanation-1: -A proxy firewall is also be called an application firewall or gateway firewall. A proxy firewall is also a proxy server, but not all proxy servers are proxy firewalls. A proxy server acts as an intermediary between clients and servers.

Detailed explanation-2: -An application-proxy firewall is a server program that understands the type of information being transmitted-for example, HTTP or FTP. It functions at a higher level in the protocol stack than do packet-filtering firewalls, thus providing more opportunities for the monitoring and control of accessibility.

Detailed explanation-3: -The services and functions of an application layer gateway are delivered by F5 Advanced Web Application Firewall (Advanced WAF).

Detailed explanation-4: -There are two types of proxies: forward proxies (or tunnel, or gateway) and reverse proxies (used to control and protect access to a server for load-balancing, authentication, decryption or caching).

There is 1 question to complete.