P1. Your digital footprint.

Everything we do on the Internet leaves a trace, a digital footprint speaks about you. That information you post on Internet is your digital identity; it is your duty to take care of it and the laws protect you for that purpose.

In order to carry out this practical exercises, it will be necessary to open a text editor document to answer the questions and paste the screenshots requested in the following exercises.

Exercise 1. Knowing your IP on the Internet

We have seen that every time we connect to the Internet we identify ourselves through a unique address assigned to our computer with an identifying number, called IP address. Let's see how easy it is to know the IP of any device assigned to us.

Open a browser and go to www.google.es . Type in the search bar "know our public IP". You will see many pages that manage this service. Take a screenshot of the result paste in the document.
Choose to any link, look for the IP address you are browsing with and take a screenshot.
Repeat the step by going to www.whatismyip.com and https://www.myip.com/ . Now check it detects the same IP. Open the option to view more data. This data shows more information than you can imagine. Take a screenshot and paste it.
Answer these questions in the document:

What additional information does it provide?

Does it seem like enough information?

What do you think it could be useful for?

Who could use it?

Exercise 2. Knowing the domain through the IP address.

Copy each of the IP addresses below into the search bar. Which web domain does it refer to?
Paste the screenshot of each website IP belongs to (some of them do not work).

69.63.181.12

208.65.153.238

66.220.149.25

72.21.211.176

Find out the IP address of the following domains. Go to the following web address https://www.ipvoid.com/find-website-ip/ , type in the domains. Write in a table the name of the domain and an IP address obtained.

wikipedia.org

atleticodemadrid.com

minijuegos.com

Exercise 3. Know your browser to protect yourself.

Open chrome browser. Press the key combination Shift + Ctrl + Supr. A window will open in which you can delete your browsing data. Take a screenshot of this window.
Pressing the Delete button will delete everything you have selected. However, there are some terms you may not understand. Take a screenshot of this step again.
Find information on what the following terms that often appear in browsing history: Cookies, Form Data, History and Download History.
In the document, make a table like the one below and fill it

Exercise 4. Cookies.

Go to this website https://www.instagram.com/

and click on the option to accept cookies and click on manage cookies and data settings. Take a screenshot of it.

Read the content and summarise what you are being asked to accept and answer.

Do you think it's OK?
How much information are you giving them?
And why do they need so much information?

Open your Chrome browser and choose the privacy and security option in settings. Under passwords, disable saving passwords and do not log in automatically. Take a screenshot and paste it into the document.

Exercise 5. Incognito window.

Then search for information on the Internet and answer the following questions in the document:

What is private browsing?
What is an incognito tab for?

Incognito tab. Follow these steps and paste the screenshot into the document.

Open Chrome on a computer.
In the top right corner,
Click More
Open New Incognito Window.
A new window will open. Check that the incognito icon appears in the top corner.

You can also use a key combination to open an incognito window. Windows, Linux or Chrome OS: Press Ctrl + Shift + N.

Exercise 6. Taking care of your personal information

The biggest footprint you can leave is the one you show on the Internet. Google your full name and see what the internet knows about you. Take a screenshot of the results and paste it into the document.

Exercise7. Secure pages.

A secure Web page must have a security certificate validated by https certification companies. And how do you know if a website uses HTTPS? Look for the lock in the navigation bar.If it coloured in green, you know the site uses a trusted SSL digital certificate, in other words, that the connection is secure.

Open the High School's web page and pull down site information menu; it is the lock that appears before the URL in the browser's search bar. Take a screenshot
Take a screenshot of the certificate. The screenshot must be taken with a delay for the menu to appear.
Take another screenshot of the cookies window
Take a screenshot of the site settings.

5. Save the file as P1.NameSurname.doc

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