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What Is SSL(secure Sockets Layer) And Why Is Important For Your Website/blog - Webmasters - Nairaland

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What Is SSL(secure Sockets Layer) And Why Is Important For Your Website/blog by godwinweb(m): 5:03pm On Oct 23, 2017
SSL (Secure Sockets Layer) is a standard security protocol for establishing encrypted links between a web server and a browser in an online communication. The usage of SSL technology ensures that all data transmitted between the web server and browser remains encrypted.
SSL provides a secure channel between two machines or devices operating over the internet or an internal network. One common example is when SSL is used to secure communication between a web browser and a web server. This turns a website's address from HTTP to HTTPS, the ‘S’ standing for ‘secure’.

The next step is the submission of the CSR (Certificate Signing Request), which is a data file that contains your details as well as your Public Key. The CA (Certification Authority) would then validate your details. Following successful authentication of all details, you will be issued SSL certificate. The newly-issued SSL would be matched to your Private Key. From this point onwards, an encrypted link is established by your web server between your website and the customer's web browser.

On the apparent level, the presence of an SSL protocol and an encrypted session is indicated by the presence of the lock icon in the address bar. A click on the lock icon displays to a user/customer details about your SSL. It's to be remembered that SSL Certificates are issued to either companies or legally accountable individuals only after proper authentication.

An SSL Certificate comprises of your domain name, the name of your company and other things like your address, your city, your state and your country. It would also show the expiration date of the SSL plus details of the issuing CA. Whenever a browser initiates a connection with a SSL secured website; it will first retrieve the site's SSL Certificate to check if it's still valid. It's also verified that the CA is one that the browser trusts, and also that the certificate is being used by the website for which it has been issued. If any of these checks fail, a warning will be displayed to the user, indicating that the website is not secured by a valid SSL certificate.

Below Is how SSL Works

The SSL protocol includes two sub protocols: the record protocol and the "handshake" protocol.
The handshake protocol defines how a client and server establish an SSL connection, including the negotiation of which cryptographic systems each host is willing (or unwilling) to use for communication, as well as the exchange of cryptographic material, such as public keys and session keys for encryption or authentication of transmitted data.
The record protocol defines how communicating hosts exchange data using SSL, including specifications for how data is to be prepared for transmission and how it is to be verified or decrypted on receipt.
As part of the initial handshake process, a server presents its digital certificate to authenticate itself to the client. Server certificates follow the X.509 certificate format defined by the Public Key Cryptography Standards. The authentication process uses public key encryption to validate the digital certificate and to confirm that a server is, in fact, the server it claims to be.
Once the server has been authenticated, the client and server establish cipher settings and a shared key to encrypt the information they exchange during the remainder of the session. This provides data confidentiality and integrity. This whole process is invisible to the user. For example, if a webpage requires an SSL connection, the URL will change from HTTP to HTTPS, and a padlock icon will appear in the browser once the server has been authenticated.

The handshake also allows the client to authenticate itself to the server. In this case, after server authentication is complete, the client must present its certificate to the server to authenticate the client's identity before the encrypted SSL session can be established.
After the IETF officially took over the SSL protocol to standardize it through an open process, version 3.1 of SSL was released as TLS 1.0 (The name was changed to avoid any legal issues with Netscape). Many attacks against SSL have focused on SSL implementation issues, but the POODLE (Padding Oracle On Downgraded Legacy Encryption) vulnerability is a known flaw in the SSL 3.0 protocol itself, exploiting the way in which it ignores padding bytes when running in cipher block chaining mode. This flaw allows an attacker to decrypt sensitive information, such as authentication cookies. TLS 1.0 is not vulnerable to this attack because it specifies that all padding bytes must have the same value and must be verified.
Other key differences between SSL and TLS that make TLS a more secure and efficient protocol are message authentication, key material generation and the supported cipher suites with TLS supporting newer and more secure algorithms. TLS 1.2 is the most recent version, but publication of the next version is expected to be approved in 2017; that update is likely to be called either TLS 1.3 or TLS 2.0.

Why Your Website Needs SSL

The internet has spawned new global business opportunities for enterprises conducting online commerce. However, that growth has also attracted fraudsters and cyber criminals who are ready to exploit any opportunity to steal consumer bank account numbers and card details. Any moderately skilled hacker can easily intercept and read the traffic unless the connection between a client (e.g. internet browser) and a web server is encrypted.

SSL Protects This Following Below..

• Online credit card transactions or other online payments.
• Intranet-based traffic, such as internal networks, file sharing, extranets and database connections.
• Webmail servers like Outlook Web Access, Exchange and Office Communications Server.
• The connection between an email client such as Microsoft Outlook and an email server such as Microsoft Exchange.
• The transfer of files over HTTPS and FTP(s) services, such as website owners updating new pages to their websites or transferring large files.
• System logins to applications and control panels like Parallels, cPanel and others.
• Workflow and virtualization applications like Citrix Delivery Platforms or cloud-based computing platforms.
• Hosting control panel logins and activity like Parallels, cPanel and others.
I know by now you have understood why SSL(Security Socket Layer) Is important for your website most especially if your website is doing online transaction you need it. Most customers visiting and always like to shop online will not like to put their information in a website that doesn’t have SSL.

We are here to help you protect your website and visitors information from attackers.

Contact us today for your SSL integration to secure your website from hackers and online fraudsters.

Your internet friend
+234 90 60 141 365
Godwin.
Re: What Is SSL(secure Sockets Layer) And Why Is Important For Your Website/blog by SConnect: 5:28pm On Oct 23, 2017
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