Web Application Firewall (WAF)
Alibaba Cloud’s Web Application Firewall is a security service designed to protect web applications from common threats. It falls under the Compute category and helps secure your online assets by filtering malicious traffic. This tool is essential for maintaining the integrity and availability of your web services against external attacks.
You should choose this service if you need a pay-as-you-go solution for application security. Be aware that there is no free tier available, meaning you will incur costs immediately upon usage. This pricing model requires careful monitoring to avoid unexpected charges, as you pay only for what you use without any initial free allowance.