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This article mainly introduces what https access means, the sample code in the article is very detailed, it has certain reference value, interested friends must read it!

Https certificate is a kind of certificate that is used by many people in network certificate, because the security is relatively highest. So whether the https certificate needs to be authenticated when it is configured, and what does https access mean? let's take a look.

First of all, https belongs to a data transfer protocol, so what is the reason for https access? generally, it is because the firewall does not allow 443, the SSL certificate is not installed correctly, the domain name is not resolved to the server or server bit bound domain name, WEB cannot be accessed normally in the case of https, and the certificate is inconsistent with the domain name. And what must be paid attention to is the security of the https channel, in short, the secure version of HTTP, and at present Google has made a long-term plan, its ultimate goal is to mark all the web pages presented through the HTTP protocol as "insecure". For webmasters, it is a realistic and important issue to deploy SSL certificates to migrate to HTTPS.

What is the https certificate authentication? it refers to the https certificate authentication, the asymmetric encryption algorithm is used to encrypt the generated password during the handshake, the symmetric encryption algorithm is used to encrypt the real transmitted data, and the HASH algorithm is used to verify the integrity of the data. The most critical key password is the case of the browser, so the asymmetric encryption algorithm is used to encrypt it during transmission, while the asymmetric encryption algorithm will generate public key and private key, and the public key can only be used to encrypt data, so it can be transmitted at will, while the private key of the website is used to decrypt the data, so the website will take good care of its own private key to prevent leakage.

The above is all the contents of the https interview. Thank you for reading! Hope to share the content to help you, more related knowledge, welcome to follow the industry information channel!

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