The definition of this term is an application protocol that is based on the http protocol, which is intended to secure hypertext data transfer. That is, it is the secure HTTP version. Use this Protocol, banks, online retailers and any service requested the sending of personal data or passwords through the web.
Among its features is the use of an encryption set to SSL/TLS to create an encrypted channel most appropriate for the transfer of sensitive information such as user and passkeys, to http. This channel encryption level will depend on the remote server and the browser that the client uses. At the same time, in this way, gets that that private or sensitive information may not be used by an attacker who has been able to intercept data transfer, because what you get are encrypted data cannot decrypt.
This Protocol was created in 1992 by Netscape Communications Netscape Navigator browser when visiting abbreviationfinder. It was only originally, used for SSL, but this became obsolete with the emergence of TLS. In the year 2000 https was adopted as a web standard.
“When it appears on screen an https certificate is not current, nor think about it, directly it will page”. In this example, it was used with the sense of security that gives the certification of this type of Protocol.
“The controller of the company is dealing configuration of https for the shop that are open on the internet”. Refers in this case to a page having security for the Mercantile Exchange on the internet.
“He has had a problem in its port 443 which didn’t allow him to access https addresses, but thanks to the help of a friend has been able to solve it.” Here, applies to a difficulty within the computer that didn’t allow him to access secure internet sites.
The standard port for the Protocol is 443 by default, while the corresponding to the http:// port 80, by default.
The 443 is a tcp port “Transmission Control Protocol” (transmission control protocol) which is one of the fundamentals on the Internet, created by Vint Cerf and Robert Kahn between 1973 and 1974. This protocol ensures that the data are delivered to destination without error and in the same order in which they were transmitted. TCP supports many Internet applications and in this case a Hypertext Transfer Protocol Secure.
If port 443 is blocked from your computer to a particular destination, the connection will fail and a “Secure connection failed” message appears (“Secure Connection Failed” or you may also receive “the page cannot be displayed” (“Page Cannot be Displayed”).)
To acquire a certificate for this Protocol can be free. This generally occurs only if other services are paid. If it should not be paid for one year.
Also the organizations, if they are responsible for establishing access to browsers of their own sites, have their own certification authority. In this case you can add copies of their own signed certificate to the trusted certificates distributed with the browser.
It may occur that appears on display a warning about the certificate in this case is because the certificate has expired or is not valid for be the date of the equipment which attempts to access incorrectly configured. Also because the certificate may not be valid for the site because access to a path that does not belong the certificate. And another reason is because the certificate comes from an entity that is untrusted or that browser does not recognize.
In the remaining cases did not appear any kind of notice on the certificate.