2025-05-02 14:24:08 +02:00
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hostname: dev-01.alexpires.local
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ansible_user: "{{ lookup('env', 'ANSIBLE_USER') }}"
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# Users
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login_users:
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- username: "{{ ansible_user }}"
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comment: "Managed by Ansible"
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sudoer: true
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sudoer_root_only: true
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sudoer_no_password: true
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pubkey: "{{ lookup('file', 'keys/ansible_user.pub') }}"
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password_disabled: true
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- username: operator
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comment: "Managed by Ansible"
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sudoer: true
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pubkey: "{{ lookup('file', 'keys/operator.pub') }}"
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# SSH Connection and security
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sshd_port: 22
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ssh_allowed_networks:
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- "0.0.0.0/0"
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sshd_admin_net: "0.0.0.0/0"
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sshd_allow_groups: "{{ ansible_user }} users"
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sshd_permit_root_login: "no"
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sshd_password_authentication: "no"
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sshd_allow_tcp_forwarding: "yes"
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# Due to an issue increase the number of max auth tries
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sshd_max_auth_tries: 10
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# Firewall ports
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ufw_enable: true
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fw_allowed_ports:
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2025-06-02 01:42:17 +02:00
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- { rule: "allow", port: "8000", proto: "tcp" }
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2025-05-02 14:24:08 +02:00
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- { rule: "allow", port: "22", proto: "tcp" }
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ufw_outgoing_traffic:
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- 22 # SSH
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- 53 # DNS
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- 80 # HTTP
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- 123 # NTP
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- 443 # HTTPS
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- 853 # DNS over TLS
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ufw_default_forward_policy: "ACCEPT"
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ipv4_sysctl_settings:
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net.ipv4.ip_forward: 1
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disable_ipv6: true
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# geoip will override hosts_allow and hosts_deny (so it's disabled - CIS hardening)
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custom_hosts_acls: true
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# fail2ban
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fail2ban_jails:
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ssh:
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enabled: true
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port: "{{ sshd_port }}"
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filter: "sshd"
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logpath: "/var/log/auth.log"
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maxretry: 5
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findtime: 600
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bantime: 3600
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# aide
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install_aide: false
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# Unattended upgrades
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unattended_reboot: true
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unattended_reboot_time: "04:30"
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# Duo Security
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duo_users: ["*", "!provision"]
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duo_api_hostname: api-7cda1654.duosecurity.com
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