84 lines
1.9 KiB
Markdown
84 lines
1.9 KiB
Markdown
ssh-hardening
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=========
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SSH server hardening, based on https://www.sshaudit.com & more
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Requirements
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------------
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- OpenSSH versions 6.5+
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Role Variables
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--------------
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Defaults:
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- `ssh_hardening_hostkeys`: `rsa`, `ed25519`
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- `ssh_hardening_hostkeys_all`: `dsa`, `ecdsa`, `rsa`, `ed25519`
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- `ssh_hardening_moduli`: `/etc/ssh/moduli`
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- `ssh_hardening_moduli_backup`: `/etc/ssh/moduli.not-hardened`
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- `ssh_hardening_service_name`: `sshd`
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- `ssh_hardening_sshd_config`: `/etc/ssh/sshd_config`
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Included via `vars/ssh_*`:
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- `ssh_hardening_opts`: Parameter/Values to set for specific SSH version
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Included via `vars/os_*`:
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- `ssh_hardening_service_name`
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Command line variables (undefined):
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- `ssh_hardening_force`: version/id to include, overwrites detected version!
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Dependencies
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------------
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- None
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Example Playbook
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----------------
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- hosts: servers
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roles:
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- { role: ssh-hardening }
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SSH versions
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------------
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- 6.0: [_] Debian 7 "wheezy"
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- 6.5: (support for `curve25519-sha256@libssh.org`, `ssh-ed25519`, `chacha20-poly1305@openssh.com`)
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- 6.6: Ubuntu 14.04 "trusty"
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- 6.7: [_] Debian 8 "jessie"
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- 7.0:
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- 7.1:
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- 7.2: Ubuntu 16.04 "xenial"
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- 7.4: Debian 9 "stretch", RedHat 7 - (added `curve25519-sha256`)
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- 7.6: Ubuntu 18.04 "bionic"
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- 7.7:
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- 7.8:
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- 7.9: Debian 10 "buster"
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- 8.0: RedHat 8
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- 8.1: Suse 15.2
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- 8.2: Ubuntu 20.04 "focal"
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- 8.3:
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- 8.4: Alpine 3.13, Debian 11 "bullseye", Fedora 33, OpenSUSE 15.3/15.4
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- 8.5: (added `sntrup761x25519-sha512@openssh.com`)
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- 8.6: Alpine 3.14, Fedora 34
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- 8.7: Fedora 35
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- 8.8: Alpine 3.15, Fedora 36, Fedora 37
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- 8.9: Ubuntu 22.04 "jammy"
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- 9.0: Alpine 3.16, Ubuntu 22.10 "kinetic", Ubuntu 23.04 "lunar"
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- 9.1: Alpine 3.17
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- 9.2: Debian 12 "bookworm"
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- 9.3: Alpine 3.18, Ubuntu 23.10 "mantic"
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- 9.4: Archlinux, Voidlinux
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License
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-------
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AGPL3.0-or-later
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Author Information
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------------------
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- Sven Velt <sven-ansiblerole@velt.biz>
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- https://git.velt.biz/
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