Shulou(Shulou.com)06/01 Report--

This article introduces the main process and matters needing attention of SSL certificate update. If your HTTPS certificate has expired or is about to expire, I hope it will help you by reading this article.

How do I know when the SSL certificate expires?

First of all, you need to know when your SSL certificate expires. Taking IE as an example, the following describes how to view the expiration time of SSL certificates.

In this way, you can see the validity of your SSL certificate. If it has expired or is about to expire, it is recommended to update the SSL certificate in a timely manner.

SSL Certificate Renewal you can choose to renew your certificate or reapply for a certificate, both of which can keep your website working safely and steadily. The difference between the two methods is described below.

Certificate renewal

Certificate renewal is to find the original certificate issuing CA institution and re-issue a new valid certificate to you. Since CA has already checked your domain name and identity when you applied for your first certificate, you do not need to review it when you renew it. The CA agency only issues a new certificate for you based on the information of your previous certificate. The process is very fast and can be completed within 1 day.

When you get the new certificate, you need to re-deploy the SSL certificate to the web server. Because the new SSL certificate uses a new public-private key pair, the old key pair can no longer be used.

After installation and deployment, restart the website service, visit your website, and you will find that the new certificate is already in force and will not have any impact on the site.

Reapply for a certificate

Under what circumstances do you need to reapply for a certificate? If you find that the previous certificate is not suitable for your website, if you find that your previous certificate is expensive, there are cheaper certificates on the market. Then you can reapply for the certificate at this time.

In fact, the reason for the expiration of the certificate is that the public and private key pair of the certificate will be cracked after it has been used for a long time, so it needs to be replaced. Reapplying for a certificate is one way to replace public and private key pairs.

Re-apply for the certificate, although you need to re-audit, but you can re-select the certificate, it is necessary to choose a cheap and suitable SSL certificate. Click to view the price of the SSL certificate on this website.

After the certificate has been issued, you still need to reinstall and deploy, and then restart the website service before the new SSL certificate will take effect.

SSL certificate securely encrypts the website, which can effectively prevent hijacking, prevent your website from being maliciously implanted with advertisements, prevent tampering and monitoring from leaking users' passwords, and optimize the SEO ranking of search engines with SSL certificates.

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.