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Unit 8 (part 3) - Coggle Diagram
Unit 8 (part 3)
SSL
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When a user logs on to a website, SSL encrypts
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TLS
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designed to provide encryption, authentication and data integrity (data integrity
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than its predecessor, SSL.
When a website and a user communicate over the internet, TLS is designed to
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moderated form
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prefer this type of forum, compared to an unmoderated one, as the moderator
can not only prevent spam, but can also filter out any posts that are inappropriate,
rude or offensive, or even those that wander off the main topic.
unmoderated forms
The internet is essentially an unmoderated forum. No one 'owns' the internet,
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operators. However, most social forums or networking groups on the internet have a
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FIREWALLS
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Where is it located?
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(for example, the internet) and filters information
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the firewall can be software installed on a computer; in
some cases this is part of the operating system
However, there are certain circumstances where the firewall can't prevent potencial harmfull traffic
it cannot prevent individuals, on internâl networks, using their own modems
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example, control of passwords or user accounts)
. users on stand-alone computers can choose to disable the firewall, leaving
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SESSION CACHING
When opening a TLS session, it requires a lot of computer time (due mainly to
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VIROUSES
what is it?
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malfunction (for example, by filling
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effects
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to'crash', stop f unctioning
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(e,9., the user gets the 'not
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operating system files, making
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prevention
lnstall antidrus sof,tware and
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SPAM (JUNK EMAIL)
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prevention techniques
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beacon can be a graphic image, linked to an external web server) that is placed
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COOKIES
are small files or code that are stored on a user's computer. They are sent
by a web server to a user's computer.
COOKIES
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table containing pairs of (key, data) values; for example (surname, Bob) and
(music, rock). Once the cookie has been read by the code on the web server or
user's computer, the data can be retrieved and used to customise the web page
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are a very efficient way of carrying data from one we bsite session to another, or
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supports any of the major security protocols, such as SSL/TIS, that encrypt and
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