Functional Characteristics# Run-Time Control Using Signals Changing Configuration Rotating Log Files On-the-fly Executable Upgrade Command-Line Options Connections, Sessions, Requests, Logs Connection processing mechanisms HTTP request processing TCP/UDP session processing Processing requests Virtual server selection Name-based virtual servers Internationalized names Preventing requests with undefined server names Combining name-based and IP-based virtual servers Choosing locations Proxying and Load Balancing FastCGI Proxying WebSocket Proxying Load Balancing Logging Syslog Built-in Modules Core Module HTTP Modules Streaming Modules Mail Modules Google PerfTools Module WASM Modules