Saturday, March 13, 2010

SSL (Security Sockets Layer)

Whenever it is needed to accept online payments or other crucial information over the web, normal HTTP is not capable for this. This method of communication in which everything is sent over the wire in clear text format is insecure. This is completely inconsequential for anyone in a network administrator position at a business or ISP to obtain access to entire network. With this, most of the networks become vulnerable for 'sniffing' with non-privileged users of the network.


Things go even bad if you transmit any passwords devoid of any additional security measures. You must worry about security and encryption. You can add them to your website in simple way. The standardized of doing this is known as SSL.

Now we will see what SSL is. SSL stands for Secure Sockets Layer. SSL is a technique of utilizing cryptography for ensuring that the communication amongst a client and a server is secure. This means that data sent cannot be tampered or intercepted by any means. SSL works by making use of a wide array of encryption methods. However, the most crucial aspect is that SSL certificates efficiently verify the reliability and reality of the site. This aids to avoid spoofing. When HTTP is combined with SSL, it yields secure HTTP known as HTTPS. It is a potent means for web servers and web browsers to receive and send sensitive data in a secure way.


SSL is nothing but a means for making their web browser to get the little padlock symbol. This makes your website secure. However, you must also know about what SSL is not. SSL is not a security package as a whole. If after transmitting data over secure HTTP anyone stores it in a database unencrypted while it comes to your server, then someone who has access to the database can still retrieve the data in easier fashion. This means that SSL is not the complete answer for everything. You can say that it is a simple means for averting anything that can happen to the data whilst it is travelling over the Internet and is 'out there'.


256-bit, 128-bit and 40-bit are the three levels of encryption. 40-bit SSL is now old-fashioned and deprecated. You are fool if you utilize it. The smart option is to choose at least 128-bit and most preferably 256-bit.  You can choose the one according to your need. You have to see what you sell and how much can you afford for that? If there are chances that anyone will try to break your encryption, then you should select the best one for complete protection.


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