68 lines
2 KiB
YAML
68 lines
2 KiB
YAML
---
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- name: set correct hostname
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hostname:
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name: "{{ inventory_hostname }}"
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- name: include os specific tasks
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include_tasks: "{{ ansible_os_family }}.yml"
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- name: disable at from all users
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copy:
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content: "\n"
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dest: "/etc/at.allow"
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mode: 0600
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owner: root
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group: "{{ ansible_wheel }}"
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# use openbsd kex algorithms but drop ssh-audit errors
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- name: tighten sshd kex algorithms
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lineinfile:
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path: /etc/ssh/sshd_config
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line: "KexAlgorithms curve25519-sha256,curve25519-sha256@libssh.org,\
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diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,\
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diffie-hellman-group14-sha256"
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regexp: "^KexAlgorithms .*"
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notify: restart sshd
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# use openbsd ciphers but in mozilla recommended order (kind of)
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- name: tighten sshd ciphers
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lineinfile:
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path: /etc/ssh/sshd_config
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line: "Ciphers aes256-gcm@openssh.com,chacha20-poly1305@openssh.com,\
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aes128-gcm@openssh.com,aes256-ctr,aes192-ctr,aes128-ctr"
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regexp: "^Ciphers .*"
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notify: restart sshd
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# use openbsd macs but drop ssh-audit errors
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- name: tighten sshd macs
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lineinfile:
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path: /etc/ssh/sshd_config
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line: "MACs hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com"
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regexp: "^MACs .*"
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notify: restart sshd
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- name: disable ecdsa key from sshd
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lineinfile:
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path: /etc/ssh/sshd_config
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line: "#HostKey /etc/ssh/ssh_host_ecdsa_key"
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regexp: "HostKey /etc/ssh/ssh_host_ecdsa_key"
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notify: restart sshd
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- name: enable rsa key from sshd
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lineinfile:
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path: /etc/ssh/sshd_config
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line: "HostKey /etc/ssh/ssh_host_rsa_key"
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regexp: "#?HostKey /etc/ssh/ssh_host_rsa_key"
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notify: restart sshd
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- name: enable ed25519 key from sshd
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lineinfile:
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path: /etc/ssh/sshd_config
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line: "HostKey /etc/ssh/ssh_host_ed25519_key"
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regexp: "#?HostKey /etc/ssh/ssh_host_ed25519_key"
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notify: restart sshd
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- name: install basic roles
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include_role:
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name: "{{ role }}"
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with_items:
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- opensmtpd
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- pki
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- psacct
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loop_control:
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loop_var: role
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