Yes, a Web Application Firewall (WAF) typically supports wildcard domain name access. This feature allows you to apply security rules and policies to multiple subdomains under a single domain name using a wildcard character, usually represented by an asterisk (*).
For example, if you have a domain named example.com and you want to apply the same security policies to all its subdomains like blog.example.com, shop.example.com, and support.example.com, you can configure a wildcard rule in your WAF like *.example.com. This way, any request to these subdomains will be inspected and protected according to the defined rules.
In the context of cloud services, platforms like Tencent Cloud offer WAF solutions that support wildcard domain configurations, providing flexible and comprehensive security protection for websites and web applications.