FUNDAMENTALS OF COMPUTER

COMPUTER THREATS SECURITY

WHAT IS A FIREWALL IN NETWORK SECURITY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Filtering of web content requests
A
Network Layer
B
Host-Based
C
Proxy Server
D
Transport Layer
Explanation: 

Detailed explanation-1: -A content-filtering proxy is a proxy server, a server acting as a middleman between two computers, that filters the content it relays, limiting access to undesirable, forbidden, or dangerous content. Schools and workplaces may opt to use a content-filtering proxy to control what people view while in their facilities.

Detailed explanation-2: -Blocking malicious sites-in this case, the proxy server is used as a content filter, which blocks access to inappropriate or malicious websites.

Detailed explanation-3: -Proxy and content filtering use programs or even firewalls to screen traffic coming and going on the network in an effort to block access to objectionable, questionable or explicit content. This can include websites or even emails with content that is malicious or inappropriate.

Detailed explanation-4: -With a Web Proxy server you can monitor and control content within your internal network. Web proxy server is an intermediate stop between a client’s request and other servers. Clients connect to proxy server, requesting some service, for example, web page.

Detailed explanation-5: -A proxy firewall acts as a gateway between internal users and the internet. It can be installed on an organization’s network or on a remote server that is accessible by the internal network. It provides security to the internal network by monitoring and blocking traffic that is transmitted to and from the internet.

There is 1 question to complete.