ansible-role-system/tasks/sshd_config.yml

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2021-04-10 22:11:19 +02:00
---
# vim: set expandtab tabstop=2 shiftwidth=2:
- when: '"debian" == ansible_facts["os_family"]|lower && 12 <= ansible_facts["os_version_id"]'
name: 'sshd_config.d/99-default.conf'
template:
src: 'sshd-default.conf'
dest: '/etc/ssh/sshd_config.d/99-default.conf'
owner: root
group: root
mode: 0644
- when: '"debian" != ansible_facts["os_family"]|lower || 11 >= ansible_facts["os_version_id"]'
block:
- name: sshd_config
lineinfile:
path: /etc/ssh/sshd_config
insertafter: '^\s*#\s*{{item.key}}\s+'
regexp: '^\s*{{item.key}}\s'
line: '{{item.key}} {{item.value}}'
with_dict:
Port: '{{ssh_port|default(22)}}'
PermitRootLogin: 'prohibit-password'
StrictModes: 'yes'
PubkeyAuthentication: 'yes'
KerberosAuthentication: 'no'
GSSAPIAuthentication: 'yes'
TCPKeepAlive: 'yes'
Ciphers: 'chacha20-poly1305@openssh.com,aes256-gcm@openssh.com,aes128-gcm@openssh.com'
MACs: 'hmac-sha2-512-etm@openssh.com,hmac-sha2-256-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-512,hmac-sha2-256'
KexAlgorithms: 'curve25519-sha256,curve25519-sha256@libssh.org,diffie-hellman-group16-sha512,diffie-hellman-group-exchange-sha256,diffie-hellman-group14-sha256'
- name: sshd_config
lineinfile:
path: /etc/ssh/sshd_config
insertbefore: '\s*#?\s*HostKey\s+'
regexp: '^# HostKeys for protocol'
line: '# HostKeys for protocol'
- name: sshd_config - prefer ed25519
lineinfile:
path: /etc/ssh/sshd_config
insertafter: '^# HostKeys for protocol'
regexp: '^\s*HostKey\s+/etc/ssh/ssh_host_ed25519_key\s*$'
line: 'HostKey /etc/ssh/ssh_host_ed25519_key'
- name: sshd_config - fallback rsa
lineinfile:
path: /etc/ssh/sshd_config
insertafter: '^\s*HostKey\s+/etc/ssh/ssh_host_ed25519_key\s*$'
regexp: '^\s*HostKey\s+/etc/ssh/ssh_host_rsa_key\s*$'
line: 'HostKey /etc/ssh/ssh_host_rsa_key'
- name: 'sshd_config - absent dsa / ecdsa'
lineinfile:
path: /etc/ssh/sshd_config
state: absent
regexp: '{{item}}'
with_list:
- '^\s*HostKey\s+/etc/ssh/ssh_host_dsa_key\s*$'
- '^\s*HostKey\s+/etc/ssh/ssh_host_ecdsa_key\s*$'