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http:// and https:// What is the difference?

Wendy . Blog Published 28 February 2009

http:// and https:// What is the difference?

Most people don’t know that there is a difference between http:// and https://. That little “S” can make a big difference.

http means “Hyper Text Transfer Protocol” which is just an elegant way to say that the servers and clients are exchanging information. The big difference is that the “s” means “seguro”: secure/safe.
Most of the web pages you visit probably start with http:// This means that the page is speaking a normal language and it may not be secure. Someone could be spying on your conversation, the conversation between your computer and the web page. If you move information, someone could see it and use it. That is why you should never give your credit card number to an http://.

If the address begins with https://, your compute is connected to a page which is talking to you in a coded secure language, with NO spying.

For your safety/security, be sure that you only send sensitive information to web pages which begin with https://

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Comments (6)
student (not verified)
5 February 2016 12:29 pm Reply

Then, When I enter in http://www.uem.es ? It's no secure. :O

david (not verified)
5 February 2016 12:29 pm Reply

It's not secure because it doesn't have to be. But look again when you try to log in to check your schedule or your record and you'll se there's a "https" instead of "http" That happens beacause you're exchanging important information with the webpage, you send your username and password and the webpage allows you to see your private record and schedule. It is when you exchange "critical" information with the webpage when having "https" is important.

EMiLiO (not verified)
5 February 2016 12:29 pm Reply

Interesting, I didn't know the difference between http and https... it's good to know. Thanks!

B1_T4M_MANELCANSADO (not verified)
5 February 2016 12:29 pm Reply

WOOOW I just know that exists the way "https" !!! I known that web pages at the beginning have "http", although I didn't know what this means. This is like when you heard for the first time the meaning of "www", which the meaning of it is: "World Wide Web". Well tuning on the issue of the post, is interesting to know something like this, because most of the people don't think that it has a meaning. They only see four words with any meaning. I must recognize that when I saw "http" I thought I was something insignificant that programmers use to make up the web page. Anyway, from now on I will take more care, since as you said anywhere could be a person spying me.

Roger Ricomà B2.T52 (not verified)
5 February 2016 12:29 pm Reply

It is interesant. I didn't know about this difference between http and hattps. It could serve for the searches in the works to do them properly and to show a better information.

Pierina Bazán S... (not verified)
5 February 2016 12:29 pm Reply

WOOOOW that I found very interesting as neck I know that means it is a "https" All my life I thought it was just one more code, just now I went to check on the pages that I have open and true, from now I will take more care as it could be that someone wants to steal our information.

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