MIT License Copyright (c) 2016-2026 CB-601 - the open tec Elevator Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. --- ## Third-party code This repository bundles external ACME client scripts under 'contrib/acme/': - 'letsencrypt_master.sh' Upstream ACME client script (ght-acme.sh) by Attila Bruncsak and others, licensed under the GNU General Public License, version 2 (or any later version). The full license text is included in the script header. - 'letsencrypt_master_local.sh' Locally adapted variant of the same upstream client, with modifications for dynTLS integration (ACME server selection, dns-01 handling, http-01 token permissions). It remains under the GNU GPLv2-or-later, as required by the original project. These third-party files are clearly marked with their original copyright and license information in their respective headers and are **not** covered by the MIT license above.