FUNDAMENTALS OF COMPUTER

COMPUTER THREATS SECURITY

WHAT IS A FIREWALL IN NETWORK SECURITY

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

Which of the following allows you to track which websites your users are accessing?

A	Packet-filtering firewall
B	Proxy
C	NIDS
D	NIPS

Explanation:

Detailed explanation-1: -Click Start, click Run, type cmd, and then click OK. At the command prompt, type netsh winhttp show proxy, and then press ENTER.

Detailed explanation-2: -The first method those websites use to detect proxy is to analyze the user IP address. They cross check the user IP address with the known proxy IP addresses. If the IP address belongs to the known proxy IP address, they will block that user. Another method is to check the IP header.

Detailed explanation-3: -Web filtering: Organizations often use transparent proxies to restrict employees from accessing certain websites. Transparent proxies also log user activity, allowing organizations to monitor employees’ Internet use at work.

Detailed explanation-4: -A web proxy is a tool that facilitates your connection to a proxy server. Some sites offer a free web proxy to help you connect to their proxy server and browse anonymously. A web proxy browser extension is like a web proxy, but it resides conveniently in your browser, so it’s always there whenever you want to use it.

There is 1 question to complete.