83 lines
2.4 KiB
YAML
83 lines
2.4 KiB
YAML
---
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- name: include SELinux package tasks for EL (CentOS/RHEL)
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include_tasks: centos-selinux.yml
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tags: selinux
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when: (ansible_distribution in ["CentOS" , "Red Hat Enterprise Linux", "RedHat"])
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- name: include SELinux package tasks for Fedora (non-atomic)
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include_tasks: fedora-selinux.yml
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tags: selinux
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when: (ansible_distribution in ["Fedora"] and not is_atomic)
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# likely to break on non-RHEL/derivatives, could use improvement.
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- name: ensure firewalld is installed
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become: true
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package:
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name: firewalld
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state: present
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- name: enable firewalld
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become: true
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service:
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name: firewalld
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state: started
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enabled: true
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- name: harden sshd
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tags: harden_sshd
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become: true
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block:
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- name: "SSH: disable password auth"
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lineinfile:
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path: /etc/ssh/sshd_config
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regexp: "^PasswordAuthentication"
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line: "PasswordAuthentication no"
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validate: '/usr/sbin/sshd -t -f %s'
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notify: restart sshd
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- name: "SSH: config custom port"
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lineinfile:
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path: /etc/ssh/sshd_config
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regexp: '^Port '
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line: "Port {{ hardened_ssh_port }}"
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insertbefore: "(^|#)AddressFamily.*"
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validate: '/usr/sbin/sshd -t -f %s'
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when: (hardened_ssh_port is defined)
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notify: restart sshd
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- name: "only allow root logins with keys"
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lineinfile:
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path: /etc/ssh/sshd_config
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regexp: '^PermitRootLogin '
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line: 'PermitRootLogin prohibit-password'
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validate: '/usr/sbin/sshd -t -f %s'
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notify: restart sshd
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- name: "disallow keyboard interactive auth to address some PAM edge cases"
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lineinfile:
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path: /etc/ssh/sshd_config
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regexp: '^KbdInteractiveAuthentication '
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line: 'KbdInteractiveAuthentication no'
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validate: '/usr/sbin/sshd -t -f %s'
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notify: restart sshd
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- name: "permit custom SSH port ({{ hardened_ssh_port }})"
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become: true
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seport:
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ports: "{{ hardened_ssh_port }}"
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proto: tcp
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setype: ssh_port_t
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state: present
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when:
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- hardened_ssh_port is defined
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- ansible_selinux is defined
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- ansible_selinux.status == 'enabled'
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tags: selinux
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# also likely to break on non-RHEL/derivatives, could use improvement too.
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- name: "firewalld: grant access to custom SSH port"
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become: true
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firewalld:
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port: "{{ hardened_ssh_port }}/tcp"
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permanent: true
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immediate: true
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state: enabled
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when: (hardened_ssh_port is defined)
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