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

Https certificate can protect the privacy and security of users, which can effectively improve the reputation of the website. In addition, it is also of great help in website optimization, which can effectively improve the weight of the website. But is it done with the https certificate installed? No! Https certificates can also have error conditions. Let's follow the editor to take a look at the causes of https certificate errors or invalidation.

There are 7 reasons for the error or invalidation of https certificate

1. The SSL certificate of the website is no longer valid.

The qualification certificate should be checked first to see if it has expired. The publication time of the SSL certificate cannot exceed 39. 6 months. Therefore, SSL certificates are usually only valid for one to two years. The system administrator should always check whether the qualification certificate has expired. If it has already expired, please renew the qualification certificate immediately or buy the qualification certificate again.

If you apply for a SSLca certificate in Gworg, don't worry, Gworg has just started prompting and helping you renew your subscription in the first 3 or 6 months.

2. The time of computer software is incorrect.

If your computer time setting is incorrect, it will also cause the reminder qualification certificate to expire or expire. Please check that the system time is accurate. If the system time is not within the initial deadline of the SSL certificate, it will cause the computer browser to remind the ssl certificate that the certificate expires or is not valid.

3. The qualification certificate of external connection URL has expired.

If the first two ways are difficult to solve, check whether the qualification certificate of the external link URL is expired. The website quotes other links that have deployed https security certificates. If the certificate of the chain expires in addition, it will remind you that it is relatively incorrect. The intelligent terminal that can check the certificate error in the external chain is Apple browser and IE6 on PC (no reminder around IE6).

4. Unsafe http resources are loaded in the URL, or the qualification certificate is not properly installed.

The http resource is enabled in the https web page, and the computer browser with the IE core version number will remind the web page of the element of insecurity. (Firefox and Google are also their own safety tips)

5. Apply self-signed SSL certificate.

The self-signed SSL certificate is a qualification certificate granted by yourself or the organization itself. They have great security risks, are more vulnerable to attacks, and are less likely to be trusted by computer browsers.

6. the application of qualification certificates with poor practicability.

Similarly, the impractical SSL certificate approved by small and medium-sized service providers is not trusted by computer browsers. Because the top layer of the qualification trust chain is the CA organization, this small service provider lacks the credibility of the CA organization and will not be trusted by computer browsers. Therefore, it is proposed to select CA organizations that have the ability to work on international electronic certification service projects according to the verification of international Webtrust specifications.

7. The SSL certificate does not match the domain name

One of the necessary authentication procedures for applying for a SSL certificate is to verify the website domain name, and the SSL certificate will be granted only after the website domain name verification has been passed. Therefore, the SSL certificate is exactly the same as the domain name, and the qualification certificate of URL A cannot be used for URL B. otherwise, the computer browser will remind you that the SSL certificate is invalid.

To sum up, leading to https certificate errors or invalidation of the main reasons are 7, what is specific, the editor will not repeat the introduction, friends can refer to the above.

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.