Updated 6 July 2022: Wallarm launched – GoTestWAF: Free Online WAF tester – https://www.wallarm.com/gotestwaf/overview Updated 18 January 2023: added gRPC protocol detection and other features, more details in the article. Since 1991, Web Application Firewall, commonly referred to as WAF, has become one of the most common application security technologies available on the market. Since the last century, WAFs have evolved by incorporating the cloud and using Machine Learning instead of RegExp. Currently, few technologies,…
