h2o

Optimized HTTP/2 server including support for TLS 1.3 and HTTP/1.x

H2O is a very fast HTTP server written in C. It can also be used as a library. It supports: - HTTP/1.0, HTTP/1.1 - HTTP/2 - persistent connections - chunked encoding - negotiation methods: NPN, ALPN, Upgrade, direct - dependency and weight-based prioritization - server push - TLS up to 1.3 - support OpenSSL and LibreSSL - forward secrecy - AEAD ciphers - OCSP stapling (automatically enabled) - session resumption (internal memory) - conditional GET using last-modified / etag - mime-type configuration - reverse proxy - websocket support - embedded mruby interpreter for high speed custom functions