envoy-filter-log4shell Plugable Envoy WebAssembly L7 (HTTP) firewall to prevent log4shell vulnerability injections. Compilation: Requirements: A version of Docker with BuildKit support. GNU make utility. Procedure: Run: make. Check the correct creation of bin/filter-log4shell.wasm file. Resources: https://events.istio.io/istiocon-2021/slides/c8p-ExtendingEnvoyWasm-EdSnible.pdf https://www.envoyproxy.io/docs/envoy/v1.20.1/configuration/http/http_filters/wasm_filter.html https://github.com/istio-ecosystem/wasm-extensions https://github.com/proxy-wasm/spec