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Introduction To Web Environment - Coggle Diagram
Introduction To Web Environment
Client Side Security Issues
Active Content
Programs that are embedded transparently in Web pages and that cause actions to occur.
Active content can display moving graphics,dowload and play audio,or implement Web-based spreadsheet programs,
Cookies
Cookies are text files with small pieces of data like a username and password that are used to identify your computer as you use a computer network. Specific cookies known as HTTP cookies are used to identify specific users and improve your web browsing experience.
Data stored in a cookie is created by the server upon your connection. This data is labeled with an ID unique to you and your computer.
Server Side Security Issues
Session Hijacking
Taking control of a user session after successfully obtaining of an authenticate session Id.
Session hijacking involves an attack using captured session id to grab control of legitimate users web application session while that application still in progress.
SQL Injection
It generally allows an attacker to view data that they are not normally able to retrieve. In many cases, an attacker can modify or delete this data, causing persistent changes to the application's content or behavior.
Allows an attacker to interfere with the queries that an application makes to its database.
Type Of Web Server
1)Static
2) Dynamic
Differenciate Each Type Of Web Server
1)Static
Web pages are returned by the server with no change therefore, static Websites are fast
The server
sends its hosted files as-is to your browser
2)Dynamic - consists of a static web server + extra
software, most commonly an application server and a database.
Server updates the hosted
files before sending content to your browser via the HTTP server.
Distributed Web Application
Distributed Database/Server
The components of a web
pages are spread over
Internet, but are presented
to the user as a single
uniform system.
Enterprise Web Development
Central Database / Server.
Collects data from many
divisions of organization for
use nearly all of
organization’s activities. Ex : Yahoo, Wikepedia