System Security Chapter 4
Installing an Application
1. Prepare PC and complete any preinstallation steps Example: create the required directories 2.Uncompress the application Most applications are compressed to reduce setup file size 3.Run the setup or installation program Place the program modules in the proper directories Prepare the program modules for use 4.Configure the program 5.Clean up and remove unnecessary files
Firefox The following are listed under the General tab:
Accessibility: improve the accessibility of Firefox Browsing: user-friendly options; e.g., spell checking
Protecting Your Privacy in Firefox
Accessing Privacy options: click the Edit menu, click Preferences, click the Privacy icon Manage the following items to protect your privacy when using Firefox: Tracking History Location Bar If you choose "Use custom settings for history", you can prohibit all cookies or allow cookies for certain Web sites by click the Exception button
To have Firefox prompt you to save passwords:
Check "Remember passwords for sites"
Firefox To set a master password:
Check "Use a master password" and specify password
Two ways to access the CentOS 7 Help Center:
Click Applications, point to Favorites, then click Help Click Applications, move the cursor to Documentation, click Help
Setting Security Features in Firefox To set Security options:
Click Edit menu, click Preferences, click Security icon
Choosing Advanced Options in Firefox Refer to navigation and security features Opening the Advanced option:
Click the Edit menu, click Preferences, click the Advanced icon
To continue configuring Edge:
Click the More actions menu and select Settings Under Settings, you can choose to import favorite Web sites, setup your startup page, and much more
Firefox To view saved passwords:
Click the Saved Passwords button
Firefox Network tab has three sections:
Connection Cached Web Content Offline Web Content and User Data
Customizing Content in Firefox
Content options let you set behavior rules: Click the Edit menu, click Preferences, click Content
NCSA Mosaic:
Developed at the National Center for Supercomputing Applications First widely used browser
Firefox You can use the View menu to customize: Sidebar:
Displays or hides sidebars on left side of browser
Help and Support Tools in Windows 10 Hardware Resources
Find information to help resolve a hardware resource problem Click the + icon to expand Hardware Resources
Browsing the Web with Firefox in CentOS 7
Firefox browser similar to Microsoft Edge Enter URL in the address bar to load a Web page Hyperlinks: usually underlined or displayed in a different color Options for accessing Web sites: Web Search options in the Tools menu Bookmarks menu: stores frequently used URLs History menu: used to access history of visited Web sites
Edge has a new icon that leads to a menu with more options
Icon contains three dots and is shown in the upper-right corner From this menu, perform a number of tasks: Open a new window Enlarge (zoom) or reduce the content on a page Open an InPrivate window, which enables you to surf the Web without leaving a trail Make changes to Edge browser settings
Applications available in Windows 10 and Linux:
Installation routines can vary depending on which OS you use
Edge offers other advanced settings:
Let sites save protected media licenses on my device Use page prediction to speed up browsing Help protect me from malicious sites and downloads with SmartScreen Filter
Firefox opens to its own default home page:
Location: file:///usr/share/doc/HTML/index.html You may change the home page to another page
Firefox Items to configure:
Pop-ups: prohibit or allow popups Fonts & Colors: used to assign special colors/fonts Languages: used to set the default language
Help Center and System Information CentOS 7:
Provides a System Information tool similar to the one in Windows 10
Help and Support Tools in Windows 10 System information tool
Provides summary information for your computer Can confirm system configuration
Configuring Edge Some configurations changes you can make:
Reset the home page Delete temporary Internet files
Searching the Web with Firefox
Search engines are resident on the Internet Search process similar to that of Edge: Boolean syntax and phrasing are the same Access the search function from Firefox: Enter a search engine's URL in the address bar Perform a search from the Firefox home page
Help and Support Tools in Windows 10 Components
Section of the System Information tool provides a detailed list of information about hardware components on your system
Help and Support Tools in Windows 10 Software Environment
Section of the System Information tool provides details about your operating system and applications
Configuring Edge Use the Advanced settings to enable or disable specific security and privacy options:
Show search suggestions Cookies Session cookies: deleted when the browser is closed Persistent cookies: deleted at expiration date
Edge has the following advanced settings:
Show the home button Block pop-ups Always use Adobe Flash Player Use caret browsing
Web browser:
Software program used to access and navigate the Web Provides tools that allow you to travel from Web site to Web site
Installing ActiveState Perl in Windows 10
The ActiveState Perl installation file for Windows 10: Actually a group of files stored together in a compressed file format Download the installation file Installer: Extracts the individual files to a temporary folder Runs the setup program
Edge provides a search utility
The default Bing search engine
Advanced Settings in Edge
To access, click More actions menu, click Settings, scroll down, and click View advanced settings
Browsing the Web with Microsoft Edge
Uniform Resource Locator (URL): Internet address Enter URL in address bar to load Web page Portal sites: links to a variety of information Examples: www.yahoo.com and www.msn.com Hyperlink: transfers you to a different URL Tabs: permit display of more than one Web page Edge browser has a new feature called the Hub Keeps track of your favorites, searches, browsing history, and downloads Click the three-bar icon in the upper-right corner
Privacy and Services Settings in Edge
Use privacy features to set up a secure environment
Searching the Web with Edge Some useful searching tips:
Use specific words to describe objects Use "+" to include keywords, "-" to exclude keywords Use logical AND to join terms, AND NOT to exclude
Help and Support Tools in Windows 10
Used for practical advice, tutorials, and demonstrations To open: click Start, then click Get Started Search box in the taskbar locates a topic by keyword
Firefox Customizing Text Size and Toolbars Using the
View Menu
Windows: Download the installation files from a
Web site
Firefox Update tab specifies options for
automatic search engine updates for Firefox
Firefox Certificates tab manages
certificate information, identity authentication, and security devices
Firefox You can use the View menu to customize: Status Bar:
displays or hides status bar
Firefox You can use the View menu to customize: Page Style
displays the Web page in different themes that change the appearance of the page
A Linux archive handler called GNU tar is required to
extract the ActivePerl tarball before installation
Edge Configuring safety settings InPrivate Browsing:
helps protect data and privacy
Firefox You can use the View menu to customize: Text Size:
increases or decreases default text size
Searching the Web with Edge Search engine
information retrieval tool
Searching the Web with Edge Web directory
like a subject catalog
Firefox You can use the View menu to customize: Full Screen
makes the Web fill the entire screen
CentOS 7: Has different installation
options
Searching the Web with Edge Search engine ranking algorithms: Criteria:
relevance to query, popularity, penalties
Searching the Web with Edge Bot:
search engine tool that follows hyperlinks
Firefox You can use the View menu to customize: Toolbars:
show or hide Navigation and Bookmarks
Microsoft Edge Click the star icon on the address bar to add
the current Web site to your favorites list Or to the reading list for later use and easy access
Edge allows you to
write on the Web make your own notes, highlight content on the web, draw on Web pages, and share your notes with others Click the "Make a Web note" icon under the right side of the address bar
