H2o

Jul 20, 2023

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


Checkout these related ports:
  • Zope213 - Object-based web application platform Version 2.13
  • Zola - Fast static site generator
  • Zgrab2 - Fast Go application scanner
  • Zerowait-httpd - Lightweight and fast http server
  • Zenphoto - Simpler web photo gallery
  • Zend-framework - Framework for developing PHP web applications
  • Yuicompressor - The Yahoo! JavaScript and CSS Compressor
  • Ytdl - YouTube downloader written in Go
  • Yt-dlp - Command-line program for downloading videos from various platforms
  • Youtube_dl - Program for downloading videos from various services
  • Yourls - Your Own URL Shortener
  • You-get - Dumb downloader that scrapes the web
  • Yaws - Web server for dynamic content written in Erlang
  • Yarr - Yet another rss reader
  • Yarn - Package manager for node, alternative to npm (meta port)