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SSL Secure Socket Layer

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david morrison

on 18 September 2011

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Transcript of SSL Secure Socket Layer

A protocol developed by Netscape for transmitting private documents via the Internet.

SSL certificates also go by the name of digital certificates. Some people call them “SSL Certs” or “digital Certs” for short.

SSL uses a cryptographic system that uses two keys to encrypt data

− a public key known to everyone and

− a private or secret key known only to the recipient of the message.

Many Web sites use the protocol to obtain confidential user information, such as credit card numbers. By convention, URLs that require an SSL connection start with https: instead of http

SSL (Secure Sockets Layer) is the standard security technology for establishing an encrypted link between a web server and a browser. This link ensures that all data passed between the web server and browsers remain private and integral. SSL is an industry standard and is used by millions of websites in the protection of their online transactions with their customers.

To be able to create an SSL connection a web server requires an SSL Certificate. When you choose to activate SSL on your web server you will be prompted to complete a number of questions about the identity of your website and your company. Your web server then creates two cryptographic keys - a Private Key and a Public Key.

The Public Key does not need to be secret and is placed into a Certificate Signing Request (CSR) - a data file also containing your details. You should then submit the CSR. During the SSL Certificate application process, the Certification Authority will validate your details and issue an SSL Certificate containing your details and allowing you to use SSL. Your web server will match your issued SSL Certificate to your Private Key. Your web server will then be able to establish an encrypted link between the website and your customer's web browser.

The complexities of the SSL protocol remain invisible to your customers. Instead their browsers provide them with a key indicator to let them know they are currently protected by an SSL encrypted session - the lock icon in the lower right-hand corner, clicking on the lock icon displays your SSL Certificate and the details about it. All SSL Certificates are issued to either companies or legally accountable individuals.

Typically an SSL Certificate will contain your domain name, your company name, your address, your city, your state and your country. It will also contain the expiration date of the Certificate and details of the Certification Authority responsible for the issuance of the Certificate. When a browser connects to a secure site it will retrieve the site's SSL Certificate and check that it has not expired, it has been issued by a Certification Authority the browser trusts, and that it is being used by the website for which it has been issued. If it fails on any one of these checks the browser will display a warning to the end user letting them know that the site is not secured by SSL.

What is SSL?
Man In the middle attack
key Exchange
Man In the middle attack
How to view a sites SSL Certificate
Where to get a certificate
There are many new way thieves can steal your identity or perform other types of internet fraud.

Visitors dont want to interact with a site they do not trust. They don't want to fall victim to identity theft or a phishing scheme.

A SSL certificate will help your website gain your visitor's trust and be more willing to complete a purchase, or share sensitive information.

A SSL certificate will help raise your conversion rate, and make your website more effective.

Gartner Research (an information technology research and advisory company) has found:

70 percent of ecommerce shoppers have abandoned an order because they did not "trust" the transaction.

of those, 64 percent said that a SSL Certificate would have stoped them abadoning the purchase
Green Bar
Check For padlock Symbol
top left or bottom right

check for https:// in address

Check for a Certificate Authority's Site Seal that should appear on the website.

Check for a green browser bar - to get this you need an Extended Validation certificate. This is the highest validation SSL Certificate level
How to know if your using SSL
Why do I need an SSL Certificate?
Click on lock or green bar
click more information if you need to
you should see somthing like this
More Informtion
Full transcript