Precautions for purchasing wildcard SSL certificate

Wildcard Certificate It is the most appropriate way to protect the main domain name of the website and its infinite subdomains , It is also the most cost-effective SSL Certificate type , Therefore, it has become the best way for many companies and large enterprises to protect multiple subdomains HTTPS Solution . How to choose the best wildcard SSL The certificate is mainly considered from the following aspects .

1. Select a trusted certificate provider

The purpose of using wildcard certificates is to protect the primary domain name and all secondary subdomains , Ensure that all sub station information transmission is securely encrypted . If it is not trusted by the browser or the system SSL certificate , There is no security . therefore , Choose a trusted CA Or a reliable supplier is essential . It has been recognized by many enterprise customers in the market CA Yes DigiCert,Geotrust,Sectigo,sslTrus etc. , Of course, you can also choose an authorized agent SSL The certificate platform purchases wildcard certificates , Such as Ruicheng information , Cheapness , Various types of brands .

2. Consider certificate compatibility

Some equipment , such as Windows The mobile phone of the system cannot recognize the "" identification , As a result, they cannot be opened and run. Wildcards are installed SSL Certificate website . Although some certificate providers do offer alternative certificates to solve compatibility problems , But there are still many certificates and Windows The system phone is not compatible .

So when purchasing wildcard certificates , Need to confirm SSL Certificate compatibility , The certificate of guarantee is 99% Browser 、 The server 、 Mobile devices, etc. are compatible and trusted . If your potential users cannot access your company website from their devices , without doubt , This will damage the company's brand image .*

3. Preferred customer service

Submitting SSL certificate CSR When you file , The common name of the wildcard certificate needs to be added “*“ Symbol , If you make a mistake , Then you will not be able to apply for the SSL certificate . Besides , To ensure the security of all your subdomains , Install wildcard certificates correctly , And applied to the top of each subdomain can play a protective role . Questions like that , You may need professional guidance 、 assist . therefore , When purchasing certificates , We should also give priority to suppliers who can provide professional customer service and technical support at any time , In order to solve your problem in time .

4. Learn about the money back guarantee

Most of the SSL certificate CA All provide 30 Days unconditional money back guarantee , Of course, there are a few CA A refund period of only a few days is supported , There is not even a refund service . that , When you choose a CA Wildcard certificate under , To avoid unnecessary losses , You can learn about its refund service .

According to the four precautions mentioned above , I believe you can find satisfactory wildcards SSL certificate , Implement multiple subdomains HTTPS Security encryption .