--- # --------------------------------------------------- # configuration Linux : Sécurisation # --------------------------------------------------- - name: Ajout du soft reboot lineinfile: dest=/etc/rc.local state=present line='/sbin/ctrlaltdel soft' tags: softreboot - name: Sécurisation du vidage mémoire copy: src="00-vidage.conf" dest="/etc/security/limits.d/00-vidage.conf" - name: Application des paramètres de configuration sécurisée sysctl: name="{{ item.name }}" value="{{ item.value }}" state=present reload=yes ignoreerrors=yes when: secure_configuration with_items: - { name: net.ipv4.conf.all.accept_redirects, value: 0 } - { name: net.ipv4.conf.default.accept_redirects, value: 0 } - { name: net.ipv4.conf.all.secure_redirects, value: 0 } - { name: net.ipv4.conf.default.secure_redirects, value: 0 } - { name: net.ipv4.ip_forward, value: 0 } - { name: net.ipv6.conf.all.accept_redirects, value: 0 } - { name: net.ipv6.conf.default.accept_redirects, value: 0 } - { name: net.ipv4.conf.default.accept_source_route, value: 0 } - { name: net.ipv4.conf.all.accept_source_route, value: 0 } - { name: net.ipv6.conf.default.accept_source_route, value: 0 } - { name: net.ipv6.conf.all.accept_source_route, value: 0 } - { name: net.ipv4.conf.all.log_martians, value: 1 } - { name: net.ipv4.conf.default.log_martians, value: 1 } - { name: net.ipv4.icmp_echo_ignore_broadcasts, value: 1 } - { name: net.ipv4.icmp_ignore_bogus_error_responses, value: 1 } - { name: net.ipv6.conf.all.accept_ra, value: 0 } - { name: net.ipv6.conf.default.accept_ra, value: 0 } tags: secure_config