TAILIEUCHUNG - Bảo mật cho joomla part 19

This material is copyright and is licensed for the sole use by Thomas Rosenblum on 4th December 2008 1010 SW High Ave., , Topeka, , 66604 Chapter 9 Fast-forward to public key encryption, which is an encryption scheme that allows both parties to share a "public" key and retain their own "private" keys. This allows them to exchange a secure message without any worry of sending the decoding key. The "public" key is shared in the open, allowing you to use it openly, enabling you to have a "private" conversation in a "public" venue. Mozilla (now Netscape) created the specification and pushed. | This material is copyright and is licensed for the sole use by Thomas Rosenblum on 4th December 2008 1010 SW High Ave. Topeka 66604 Chapter 9 Fast-forward to public key encryption which is an encryption scheme that allows both parties to share a public key and retain their own private keys. This allows them to exchange a secure message without any worry of sending the decoding key. The public key is shared in the open allowing you to use it openly enabling you to have a private conversation in a public venue. Mozilla now Netscape created the specification and pushed for its ratification. It was submitted to the IETF to be made into a standard. They accepted it and renamed it Transport Layer Security or TLS. Today SSL TLS is the most widely accepted means of security website transmissions. - For a very detailed white paper on PKI visit this link yinma study PKI Doc _ 7 PKI 20How 20It _ Using SSL to Establish a Secret Session We want to use SSL to protect our communications from the prying eyes of those we wish not to read our messages. In the case of an e-commerce transaction you want to protect your communications with the shopping cart. By not doing so you are sending all your credit card information in cleartext or in other words a form that anyone can read on the Internet. Other uses of course for SSL can be seen anytime you wish to lock down the session between the server and the browser. If you always want to run your site in SSL mode you can do so with very little overhead on the host server and client machine. We developed a solution for Joomla for a client who needed to upload banking records and have them protected during the transport. For this we used SSL in her site and enabled it to be ON all the time. While there was no credit card data in use the nature of the data demanded SSL. Establishing an SSL Session What happens in the TCP IP stream when you click a site that is SSL-enabled It does not just turn on but has to go .

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