| Original author(s) |
|
|---|---|
| Initial release | February 18, 2015[1] |
| Stable release | 2.2.6
/ August 13, 2019[2] |
| Repository | |
| Written in | C |
| Operating system | Unix-like |
| Type | Web server |
| License | MIT License |
| Website | h2o |
H2O is a free and open-source web server. It is written in C, and is distributed under the terms of the MIT License.
It was designed with a focus on supporting HTTP/2 and TLS, maximizing the use of new web technologies such as prioritization and server push. As a result it achieves significantly better performance than conventional web servers such as nginx.[3]
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Transcription
Features
H2O has the following key features:[4]
- HTTP/1.0 and HTTP/1.1 support
- HTTP/2 support
- Full support for dependency and weight-based prioritization with server-side tweaks
- Cache-aware server push
- HTTP/3 support (experimental)
- TCP Fast Open
- TLS support
- Session resumption (standalone and memcached)
- Session tickets with automatic key rollover
- Automatic OCSP stapling
- Forward secrecy and fast AEAD cipher suite
- Private key protection using privilege separation
- Encrypted Client Hello (experimental)[5]
- Static file serving
- FastCGI support
- Reverse proxy
- Scripting using mruby (Rack-based)
- Graceful restart and self-upgrade
History
In July 2014, Kazuho Oku started development of H2O for usage as a server for mobile games while working at DeNA.[6] The initial version was released in December 2014, and the first stable version was released in February 2015 when the HTTP/2 specification was finalized.[7]
See also
- Fastly - The largest user of H2O in the world. Oku joined Fastly in January 2017.[citation needed]
References
- ^ Kazuho Oku (2015-02-19). "H2O, the new HTTP server goes version 1.0.0 as HTTP/2 gets finalized". Kazuho's Weblog. Retrieved 2020-08-01.
- ^ "Releases". GitHub. Retrieved 2020-08-01.
- ^ 原田美穂 (2015-12-08). "Nginxより高速、HTTP/2サーバー「H2O」" (in Japanese). ＠IT. Retrieved 2020-08-01.
- ^ "H2O - the optimized HTTP/2 server". DeNA. Retrieved 2020-08-01.
- ^ "Base Directives - Configure". H2O - the optimized HTTP/2 server. Archived from the original on 2023-05-29. Retrieved 2023-07-18.
- ^ Kazuho Oku (2015-01-27). "H2O - making HTTP better" (in Japanese). SlideShare. Retrieved 2020-08-01.
- ^ Kazuho Oku (2016-02-05). "ウェブを速くするためにDeNAがやっていること - HTTP/2と、さらにその先" (in Japanese). SlideShare. Retrieved 2020-08-01.
External links
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This page was last edited on 19 December 2023, at 00:11