`_ in the User Guide. Links ===== .. Do not modify this comment unless you know what you're doing. tag:links-begin Documentation: https://certbot.eff.org/docs Software project: https://github.com/certbot/certbot Notes for developers: https://certbot.eff.org/docs/contributing.html Main Website: https://certbot.eff.org Let's Encrypt Website: https://letsencrypt.org IRC Channel: #letsencrypt on `Freenode`_ Community: https://community.letsencrypt.org ACME spec: http://ietf-wg-acme.github.io/acme/ ACME working area in github: https://github.com/ietf-wg-acme/acme Mailing list: `client-dev`_ (to subscribe without a Google account, send an email to client-dev+subscribe@letsencrypt.org) |build-status| |coverage| |docs| |container| .. _Freenode: https://webchat.freenode.net?channels=%23letsencrypt .. _OFTC: https://webchat.oftc.net?channels=%23certbot .. _client-dev: https://groups.google.com/a/letsencrypt.org/forum/#!forum/client-dev .. |build-status| image:: https://travis-ci.org/certbot/certbot.svg?branch=master :target: https://travis-ci.org/certbot/certbot :alt: Travis CI status .. |coverage| image:: https://coveralls.io/repos/certbot/certbot/badge.svg?branch=master :target: https://coveralls.io/r/certbot/certbot :alt: Coverage status .. |docs| image:: https://readthedocs.org/projects/letsencrypt/badge/ :target: https://readthedocs.org/projects/letsencrypt/ :alt: Documentation status .. |container| image:: https://quay.io/repository/letsencrypt/letsencrypt/status :target: https://quay.io/repository/letsencrypt/letsencrypt :alt: Docker Repository on Quay.io .. Do not modify this comment unless you know what you're doing. tag:links-end System Requirements =================== See https://certbot.eff.org/docs/install.html#system-requirements. .. Do not modify this comment unless you know what you're doing. tag:intro-end .. Do not modify this comment unless you know what you're doing. tag:features-begin Current Features ===================== * Supports multiple web servers: - apache/2.x (beta support for auto-configuration) - nginx/0.8.48+ (alpha support for auto-configuration) - webroot (adds files to webroot directories in order to prove control of domains and obtain certs) - standalone (runs its own simple webserver to prove you control a domain) - other server software via `third party plugins `_ * The private key is generated locally on your system. * Can talk to the Let's Encrypt CA or optionally to other ACME compliant services. * Can get domain-validated (DV) certificates. * Can revoke certificates. * Adjustable RSA key bit-length (2048 (default), 4096, ...). * Can optionally install a http -> https redirect, so your site effectively runs https only (Apache only) * Fully automated. * Configuration changes are logged and can be reverted. * Supports ncurses and text (-t) UI, or can be driven entirely from the command line. * Free and Open Source Software, made with Python. .. Do not modify this comment unless you know what you're doing. tag:features-end For extensive documentation on using and contributing to Certbot, go to https://certbot.eff.org/docs. If you would like to contribute to the project or run the latest code from git, you should read our `developer guide `_.