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document insecure-no-password

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Michael Eischer 2024-05-18 19:20:04 +02:00
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changelog/unreleased/issue-1786 Normal file
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Enhancement: Support repositories with empty password
Restic refused to create or operate on repositories with an emtpy password.
Using the new option `--insecure-no-password` it is now possible to disable
this check. Restic will not prompt for a password when using this option.
For security reasons, the option must always be specified when operating on
repositories with an empty password.
Specifying `--insecure-no-password` while also passing a password to restic
via a CLI option or via environment variable results in an error.
The `init` and `copy` command also support the option `--from-insecure-no-password`
which applies to the source repository. The `key add` and `key passwd` comands
include the `--new-insecure-no-password` option to add or set an emtpy password.
https://github.com/restic/restic/issues/1786
https://github.com/restic/restic/issues/4326
https://github.com/restic/restic/pull/4698
https://github.com/restic/restic/pull/4808

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doc/030_preparing_a_new_repo.rst
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.. note:: To manage who has access to the repository you can use .. note:: To manage who has access to the repository you can use
``usermod`` on Linux systems, to change which group controls ``usermod`` on Linux systems, to change which group controls
repository access ``chgrp -R`` is your friend. repository access ``chgrp -R`` is your friend.
Repositories with empty password
********************************
Restic by default refuses to create or operate on repositories that use an
empty password. Since restic 0.17.0, the option ``--insecure-no-password`` allows
disabling this check. Restic will not prompt for a password when using this option.
Specifying ``--insecure-no-password`` while also passing a password to restic
via a CLI option or via environment variable results in an error.
For security reasons, the option must always be specified when operating on
repositories with an empty password. For example to create a new repository
with an empty password, use the following command.
.. code-block:: console
restic init --insecure-no-password
The ``init`` and ``copy`` command also support the option ``--from-insecure-no-password``
which applies to the source repository. The ``key add`` and ``key passwd`` comands
include the ``--new-insecure-no-password`` option to add or set and emtpy password.