INTERNET SECURITY AND RESPONSABILITY (The INTERNET is a network of…
INTERNET SECURITY AND RESPONSABILITY
The INTERNET is a network of thousands of computers and devices around the world conected by:
A SEARCH ENGINE:
Computer system that indexes files stored on websites, it is updated by continually crawling the Internet
URL: Full address of a web page. It appears in the address bar in the browser, Le: www,iesja.es
Programme that displays the content of web pages
SERVER: Computer prepared to provide services simultaneously to lots of users.
THE INTERNET OF THINGS (in the future)
Interact with everyday objects connected to the Internet eliminating.
HOW THE INTERNET WORKS
Contact with an internet service provider ISP (Moviestar, Jazztel, Vodafone...)
It desings and address IP to our computers.
We hype the address of a page (URL)
The information starts to travel in the form of packets.
DN'S SERVER assing a name to each IP address.
Communication among computers follows a set of rules called a PROTOCOL
TCRID (packets of information)
HTTP hypertext tranator protocol
Servers lije this protocol to send and receive documents.
DN'S SERVER sends the request to the server that hosts the web page we want to visit.
The server sends us the information packets.
The packets reach our computer and are reassembled. The page is displayed in our browser.
We must be DIGITALLY RESPONSIBLE
Respect for others
PERSONAL SAFETY AND MACHINE SECURITY
To the machine.
To the individuals
Lots of privacy
Damage to our identity or image
Spyware It tries to obtain data from users.
White Hackers: They help to know how secure their systems are.