COMPUTER THREATS SECURITY
WHAT IS A FIREWALL IN NETWORK SECURITY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A proxy server is blocking access to the websites.
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A firewall is blocking ports 80 and 443.
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The router has not been configured to perform port forwarding.
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Port triggering is redirecting traffic to the wrong IP address.
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Detailed explanation-1: -You connect your computer to a wireless network available at the local library. You find that you can access all of the websites you want to the internet except for two. What might be causing the problem? A proxy server is blocking access to the websites.
Detailed explanation-2: -Expert Answer. The ideal way to give access to confidential resources over the internet is by using a virtual private network because encrypting all data ensures a safe connection between the client and server.
Detailed explanation-3: -There are three ingredients needed to access the Internet from a laptop or desktop computer: (1) an ISP, (2) a modem and (3) a Web browser.
Detailed explanation-4: -A cookie is a small text file that a website saves onyour computer or mobile device when you visit the site.
Detailed explanation-5: -A proxy server, also known as a “proxy” or “application-level gateway", is a computer that acts as a gateway between a local network (e.g., all the computers at one company or in one building) and a larger-scale network such as the internet. Proxy servers provide increased performance and security.