As we all know, websites starting with "https" provide privacy and security for visitors. After all, "S" in HTTPS (Hypertext Transfer Protocol) stands for "Secure". In fact, we also encourage people to look for the lock identification in the browser address bar of these secure websites. The presence of "https" and the lock icon should indicate that the web traffic is encrypted, and visitors can share data securely.
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The role of Https
Content encryption establishes an information security channel to ensure the security of data transmission;
Identity authentication confirms the authenticity of the website
Data integrity prevents content from being impersonated or tampered with by a third party
How does HTTPS ensure website security?
HTTPS is an HTTP channel with security as its goal. Based on HTTP, it ensures the security of the transmission process through transmission encryption and identity authentication, all of which are achieved by SSL certificates.
To sum up: HTTPS=HTTP+SSL
The SSL certificate is issued by a formal CA organization and has two major functions: data encryption transmission and server identity authentication. Before issuing an SSL certificate, the certification authority will verify the domain or verify the domain and business identity to prove your organization's credibility.
SSL certificates can protect your data from hackers and identity thieves. When the SSL certificate is on the server, the address URL is changed from HTTP to HTTPS, which can not only protect information, but also verify your enterprise identity and help win the trust of customers.
Therefore, when the website deploys a globally trusted SSL certificate to upgrade HTTP to HTTPS, the browser has a built-in security mechanism to check the status of the certificate in real time, show users the website authentication information through the browser, so that users can easily identify the real identity of the website and prevent phishing websites.
summary
HTTP is an excellent protocol, but its security is poor because it does not support encryption and other reasons. There are many ways to improve security, such as using encryption algorithms to encrypt content. HTTPS protocol provides a more complete solution. HTTPS is not a new protocol. It realizes communication security by combining HTTP with SSL/TSL.
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