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https://github.com/roles-ansible/ansible_role_sshd.git
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86 lines
4.3 KiB
Markdown
86 lines
4.3 KiB
Markdown
[](https://galaxy.github.com/do1jlr/sshd) [](https://github.com/roles-ansible/ansible_role_sshd/blob/main/LICENSE)
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OpenSSH Server
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==============
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Ansible role to configure the OpenSSH `ssh` server.
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Use Eliptic cureve cryptografie for your ssh keys e.g.:
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```bash
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ssh-keygen -t ed25519
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```
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combinations
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---------------
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It is highly recomended to use this role together with a role to manage users and to manage the sshd configuration.<br/>
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The following roles are tested in combination and work well - at least for the user [DO1JLR](https://github.com/do1jlr):
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- [github.com/chaos-bodensee/role-manage_users](https://github.com/chaos-bodensee/role-manage_users.git)
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- [github.com/chaos-bodensee/role-ssh_authorized_keys](https://github.com/chaos-bodensee/role-ssh_authorized_keys.git)
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- [github.com/roles-ansible/ansible_role_sshd](https://github.com/roles-ansible/ansible_role_sshd.git) *(this one)*
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Some Variables explained
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------------------------------
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**Remember:** Have a look into ``defaults/main.yml`` for all possible variables.
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+ **SSH Port**<br/>
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The OpenSSH Port is defined with the variable ``sshd__port: 22``. Change it if you wish.
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+ **Allowed Users and Groups**<br/>
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The default users that are allowd to login come from the ``users: {}`` list.<br/>
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The same ``users: {}`` variable is used in the other recomended ssh roles.<br/>
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A example to allow the login for the users and groups called ``l3d`` and ``ottojo`` are:
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```
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users:
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l3d:
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- l3d
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ottojo:
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- ottojo@uni
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- ottojo@home
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```
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+ **SSH Login via Passwort**<br/>
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The SSH Passwort auth is set to false via ``sshd__password_authentication: false``. This won't allow you to use your passwort to login via SSH.
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+ **Manage SSH Key Types**<br/>
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By default this role configure which ssh key types are allowed to login. If you don't want to define that change the ``sshd__manage_key_types: true`` variable.
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+ **Define allowed ssh key types**<br/>
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The allowed SSH Key Types are defined with this list. Some of them are commented out.<br/>
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Please not that by defualt only ``ed25519`` keys are allowed. Keep that in mind if you are using a rsa key.
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```
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sshd__key_types:
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- 'ed25519'
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# - 'rsa'
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# - 'ecdsa'
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# - 'dsa' # (do not use!)
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```
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+ **Advanced SSH Algorithm Settings**<br/>
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You can define the used Key and Key Algorithm here to. For the default values and some examples for the variables ``sshd__key_algorithmus`` and ``sshd__kex_algorithmus`` have a look into ``defaults/main.yml``.
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+ **force new SSH Features**<br/>
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If you know that you use a ssh version ``>8`` you can optionally define it with ``true/false`` with the ``sshd__version_is_above_eight`` variable.
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Files
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-----
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The main task of this role is to configure the ``sshd.conf`` file.
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References
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----------
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* [Secure Secure Shell](https://stribika.github.io/2015/01/04/secure-secure-shell.html)
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Testing
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--------
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This role is tested with some linting tests. Sadly I don't know how to run this role in a docker container because systemd is involved... If you have ideas how to improve testing please dend me a message, open a issue or Pull Request.
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If you want to find out more about our tests, please have a look at the github marketplace.
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| test status | Github Marketplace |
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| :--------- | :---------------- |
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| [](https://github.com/roles-ansible/ansible_role_sshd/actions/workflows/galaxy.yml) | [publish-ansible-role-to-galaxy](https://github.com/marketplace/actions/publish-ansible-role-to-galaxy) |
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| [](https://github.com/roles-ansible/ansible_role_sshd/actions/workflows/yamllint.yaml) | [yamllint-github-action](https://github.com/marketplace/actions/yamllint-github-action) |
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| [](https://github.com/roles-ansible/ansible_role_sshd/actions/workflows/ansible-linting-check.yml) | [ansible-lint action](https://github.com/marketplace/actions/ansible-lint)
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