Chapter 20 - Configuring and Using Web Browsers

Which two browsers enable extensions automatically?

Firefox and Edge

What are the four basic proxy settings that can be used?

HTTP proxy for web browsers; SSL proxy for encrypted web traffic; FTP proxy; SOCKS Host for socket secure connections for exchanging network packets

What two types of scripts can browser pages use?

server-side (back-end) scripts and client-side scripts

What script managers can be found at the Microsoft Store's Extensions for Microsoft Edge website?

several ad blockers and the script manager uBlock Origin

What aspects of JavaScript can be controlled in Google Chrome?

You can allow or block JavaScript by specifying websites or you can block all websites from using JavaScript.

What are four extension categories available for Google Chrome?

blogging, news and weather, photos, search tools

What options exist for dealing with the potential security risk posed by client-side scripts?

browsers have options to deactivate client-side scripts, including settings and add-ons

What is a potential problem with client-side scripts?

can be a security risk

What can you check if you have problems accessing a website?

check your browser against approved browsers for the website, make sure you are using latest version, turn off any script blocker software

How can you ensure that your browser is displaying the latest page?

clear the browser cache

How do you clear the browser cache in Microsoft Internet Explorer?

click the gear icon; Safety; Delete Browsing History (by default, favorite website data will be kept); click Delete when ready

How can a user view the certificate for a secure site?

click the padlock and then click the Certificate link

How do you open an Incognito window in Chrome?

click the three-dot menu button and select New incognito window

How do you open a private window in Edge?

click the three-dot menu button and then click New InPrivate Window

What is one possible use of browser add-ons and extensions?

disabling potentially dangerous scripts

What does private browsing not prevent?

does not prevent your activity from being visible to corporate monitoring (on a work computer) or your ISP

What are a few of the extension categories available for Mozilla Firefox?

download management; photos, music, and videos; shopping; privacy and security

What can you still save in private browsing?

downloads and bookmarks

What problem might arise with using a browser cache?

if a web page has major changes right after you first view it, the browser might be displaying out-of-date information

What are script management extensions good for?

if you need to allow some scripts and block others

Where are JavaScript settings located in Google Chrome?

in Advanced Settings; Privacy and Security; Site Settings; JavaScript

How do you open a private window in Explorer?

open the Safety setting, then click InPrivate Browsing

How do you usually remove an extension from a browser?

open the extension dialogue and click Remove

What do server-side scripts do?

perform tasks at the server, such as creating dynamic HTML pages

What does private browsing do?

prevents your browser from recording browser history, storing searches, storing cookies, and saving temporary files

What do client-side scripts do?

process user input

What does Microsoft Edge do after installing an extension?

prompts you to turn it on or keep it off

What special restriction sometimes applies to applications that work with browsers?

they will work only with certain browser versions

Why are proxy servers sometimes used?

to capture outbound and inbound traffic for the purpose of preserving bandwidth, protecting against hostile inbound web traffic, or filtering Internet traffic

What can the Compatibility View setting in Internet Explorer be used for?

to enable Explorer to display pages that were designed for older versions of IE

Why do websites use security certificates?

to verify that these websites can be trusted

How can JavaScript settings be changed in Mozilla Firefox?

type "about:config" into address bar; search for "javascript.enabled"; right-click the line and toggle to off

What is the only way to control JavaScript settings in Microsoft Edge?

use a script blocker add-on

What is a recommended option for greater control over scripting?

using extensions and plug-ins

What language are client-side scripts usually written in?

JavaScript

What are common options for configuring web browsers to use proxy server?

Many networks provide a proxy script at login, or you can set the proxy server values manually or specify the location for a proxy script.

What is the case regarding compatibility of browsers with certain websites?

Many websites have been tested with specific browsers or may be optimized for certain browsers only.

What are good Firefox add-ons for managing scripts?

NoScript Security Suite and uBlock Origin

What is the private browsing feature called in Google Chrome?

Incognito

What are good Google Chrome extensions for managing scripts?

ScriptSafe and Script Blocker

What do browser add-ons and extensions enable?

They enable users to customize a browser's features and add additional options.

browser caching

a feature that enables a web browser to display already-viewed content much more quickly upon each subsequent visit

How do you clear the browser cache in Google Chrome?

click the three-dot menu button; More Tools, Clear browsing data (basic); "Cached images and files" is selected by default; click Advanced tab for additional items; click "Clear Data" when ready

How do you clear the browser cache in Microsoft Edge?

click the three-dot menu button; Settings; Choose what to clear (Clear browsing data); click "Clear" when ready

How do you open a private window in Firefox?

click the three-line menu button and select New Private Window

How does one notice the benefits of browser caching?

click to another page, and then click back to the first page, and the page you returned to opens very quickly

Who issues certificates?

companies known as certificate authorities (CAs)

How do you clear the browser cache in Mozilla Firefox?

drop-down menu; Clear Recent History

What might you need to do before being able to use an extension?

enable it

What are common error messages for problems with certificates?

expired, wrong host, self-signed, unrecognized issuer, revoked

How do you usually enable or disable extensions in a browser?

go to settings or tools under the three-dot menu button and slide the switch for the extension on or off

How do you add an extension on most websites?

go to the extension website, click on the extension you want, and click button for adding it to your browser

Where are proxy servers often used?

in corporate networks

How do you manage popups in Microsoft Edge?

in the Windows Registry Editor

Where can JavaScript be controlled in Microsoft Internet Explorer?

in the custom level of security zones (usually in the "Internet zone"); scroll down to the Scripting section; select Active scripting; click Disable or Enable all scripting; click Prompt to be prompted when a page has a script; click OK twice when done

What other types of web-enabled software uses proxy server settings?

instant messaging apps and FTP apps

What are the requirements for a valid certificate?

issued by a recognized certificate authority to the company that owns the website, has a current date range

How does a proxy server work?

keeps copies of web pages requested by users in its storage and sends web pages to users from its storage