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通配符 SSL 又叫泛域名证书,英文名称为:Wildcard Certificates。可以保护一个域名以及该域名所有的二级或者三级子域名,不限制子域名数量,且添加新的子域名无须重新审核和另外付费,节约了大量的时间和金钱成本。例如,一个单独的通配符证书就可以保护 www.bitcert.com、blog.bitcert.com和 store.bitcert.com。通配符证书可以保护通用域名和您在提交申请时指定的级别下的所有子域。只需在通用域名左侧的子域区域添加星号 (*) 即可。
通配符SSL证书(也称为泛域名证书或Wildcard SSL证书)能够实现一张证书保护同一域名下的所有子域名验证的SSL证书类型,适合拥有多个子域名的网站使用。通配符型数字证书在网站部署架构比较复杂的企业中有着广泛的一样,管理和续费等都比普通的证书方便很多。
通配符证书有两种验证等级: DV SSL证书(域名验证)和OV SSL证书(组织验证)。适合拥有大量的二级域名/子域用户申请安装。
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A Wildcard SSL certificate is engineered to secure a single domain and an unlimited number of its first-level subdomains. Wildcard SSL takes the work out of managing dozens of single-domain SSL certificates. You’re totally free to use additional subdomains at any time during the life-cycle of the certificate.
Every Wildcard SSL certificate begins with an asterisk * (or wildcard). The wildcard represents any valid first-level subdomain of the same base domain.
A wildcard certificate for *.mydomain.com will work for secure.mydomain.com, mail.mydomain.com, support.mydomain.com and vpn.mydomain.com, but not ftp.mydomain.net.
Have any questions about Wildcard?Please contact our award-winning customer support.
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Certs only require you to demonstrate proof of domain-control by email, DNS, or file authentication, validation team will help you get all done.