300 lines
12 KiB
Django/Jinja
300 lines
12 KiB
Django/Jinja
#
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# {{ ansible_managed }} don't manually modify this file
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#
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*filter
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:INPUT ACCEPT [0:0]
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:FORWARD ACCEPT [0:0]
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:OUTPUT ACCEPT [0:0]
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# We manage the banned IP/networks list before anything else
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{% if iptables_banlist is defined %}
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{% for obj in iptables_banlist %}
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{% if obj.proto is defined and obj.destport is defined and obj.sourceport is defined %}
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-A INPUT -m {{ obj.proto }} -p {{ obj.proto }} -s {{ obj.source }} --sport {{ obj.sourceport }} --dport {{ obj.destport }} -j {{ iptables_banned_default_policy }}
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{% elif obj.proto is defined and obj.destport is defined %}
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-A INPUT -m {{ obj.proto }} -p {{ obj.proto }} -s {{ obj.source }} --dport {{ obj.destport }} -j {{ iptables_banned_default_policy }}
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{% elif obj.proto is defined %}
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-A INPUT -m {{ obj.proto }} -p {{ obj.proto }} -s {{ obj.source }} -j {{ iptables_banned_default_policy }}
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{% else %}
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-A INPUT -s {{ obj.source }} -j {{ iptables_banned_default_policy }}
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{% endif %}
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{% endfor %}
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{% endif %}
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# Return traffic and localhost
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-A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
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-A INPUT -p icmp -j ACCEPT
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-A INPUT -i lo -j ACCEPT
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#
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{% if iptables_managed_ssh is defined and iptables_managed_ssh %}
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{% if iptables_ssh_allowed_hosts is defined %}
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# ssh is not open to all, even if we use denyhosts to prevent unauthorized accesses
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{% for ip in iptables_ssh_allowed_hosts %}
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-A INPUT -m state --state NEW -m tcp -p tcp -s {{ ip }} --dport 22 -j ACCEPT
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{% endfor %}
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{% endif %}
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{% else %}
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# ssh is always open. We use denyhosts or fail2ban to prevent unauthorized accesses
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-A INPUT -m state --state NEW -m tcp -p tcp --dport 22 -j ACCEPT
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{% endif %}
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{% if iptables_open_all_to_isti_nets is defined and iptables_open_all_to_isti_nets %}
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# Permit all traffic from our networks
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-A INPUT -s {{ network.isti }} -j ACCEPT
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-A INPUT -s {{ network.nmis }} -j ACCEPT
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-A INPUT -s {{ network.eduroam }} -j ACCEPT
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{% endif %}
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{% if http_port is not defined %}
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{% if letsencrypt_acme_install is defined and letsencrypt_acme_install %}
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-A INPUT -m state --state NEW -m tcp -p tcp --dport 80 -j ACCEPT
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{% endif %}
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{% endif %}
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{% if http_port is defined %}
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# http
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{% if http_allowed_hosts is defined %}
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{% for ip in http_allowed_hosts %}
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-A INPUT -m state --state NEW -s {{ ip }} -p tcp -m tcp --dport {{ http_port }} -j ACCEPT
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{% endfor %}
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{% else %}
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-A INPUT -m state --state NEW -m tcp -p tcp --dport {{ http_port }} -j ACCEPT
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{% endif %}
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{% endif %}
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{% if https_port is defined %}
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# https
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{% if https_allowed_hosts is defined %}
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{% for ip in https_allowed_hosts %}
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-A INPUT -m state --state NEW -s {{ ip }} -p tcp -m tcp --dport {{ https_port }} -j ACCEPT
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{% endfor %}
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{% else %}
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-A INPUT -m state --state NEW -m tcp -p tcp --dport {{ https_port }} -j ACCEPT
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{% endif %}
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{% endif %}
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{% if psql_firewall_enabled %}
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{% if psql_db_port is defined %}
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{% if psql_listen_on_ext_int %}
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# postgresql clients
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{% for db in psql_db_data %}
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{% for ip in db.allowed_hosts %}
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-A INPUT -m state --state NEW -s {{ ip }} -p tcp -m tcp --dport {{ psql_db_port }} -j ACCEPT
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{% endfor %}
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{% endfor %}
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{% endif %}
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-A INPUT -m state --state NEW -s {{ ansible_default_ipv4.address }} -p tcp -m tcp --dport {{ psql_db_port }} -j ACCEPT
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-A INPUT -p tcp -m tcp --dport {{ psql_db_port }} -j DROP
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{% endif %}
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{% endif %}
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{% if mysql_firewall_enabled %}
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{% if mysql_db_port is defined %}
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{% if mysql_listen_on_ext_int %}
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# mysql clients
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{% for db in mysql_db_data %}
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{% for ip in db.allowed_hosts %}
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-A INPUT -m state --state NEW -s {{ ip }} -p tcp -m tcp --dport {{ mysql_db_port }} -j ACCEPT
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{% endfor %}
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{% endfor %}
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{% endif %}
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-A INPUT -m state --state NEW -s {{ ansible_default_ipv4.address }} -p tcp -m tcp --dport {{ mysql_db_port }} -j ACCEPT
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-A INPUT -p tcp -m tcp --dport {{ mysql_db_port }} -j DROP
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{% endif %}
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{% endif %}
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{% if openldap_slapd_tcp_port is defined %}
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{% if openldap_allowed_clients is defined %}
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# LDAP
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{% for addr in openldap_allowed_clients %}
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{% if not openldap_slapd_ssl_only %}
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-A INPUT -m state --state NEW -s {{ addr }} -p tcp -m tcp --dport {{ openldap_slapd_tcp_port }} -j ACCEPT
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{% endif %}
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-A INPUT -m state --state NEW -s {{ addr }} -p tcp -m tcp --dport {{ openldap_slapd_ssl_port }} -j ACCEPT
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{% endfor %}
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{% else %}
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{% if not openldap_slapd_ssl_only %}
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-A INPUT -m state --state NEW -p tcp -m tcp --dport {{ openldap_slapd_tcp_port }} -j ACCEPT
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{% endif %}
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-A INPUT -m state --state NEW -p tcp -m tcp --dport {{ openldap_slapd_ssl_port }} -j ACCEPT
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{% endif %}
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{% endif %}
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{% if mongodb_allowed_hosts is defined %}
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# mongodb clients
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{% for ip in mongodb_allowed_hosts %}
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{% if mongodb_tcp_port is defined %}
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-A INPUT -m state --state NEW -s {{ ip }} -p tcp -m tcp --dport {{ mongodb_tcp_port }} -j ACCEPT
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{% else %}
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-A INPUT -m state --state NEW -s {{ ip }} -p tcp -m tcp --dport 27017 -j ACCEPT
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{% endif %}
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{% endfor %}
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{% if mongodb_tcp_port is defined %}
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-A INPUT -p tcp -m tcp --dport {{ mongodb_tcp_port }} -j DROP
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{% else %}
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-A INPUT -p tcp -m tcp --dport 27017 -j DROP
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{% endif %}
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{% endif %}
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{% if dnet_ports is defined %}
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# dnet services
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{% for tcp_port in dnet_ports %}
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-A INPUT -m state --state NEW -p tcp -m tcp --dport {{ tcp_port }} -j ACCEPT
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{% endfor %}
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{% endif %}
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{% if dnet_jmx_ports is defined %}
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# dnet jmx ports. Open to the isti networks only
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{% for tcp_port in dnet_jmx_ports %}
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-A INPUT -m state --state NEW -p tcp -m tcp -s {{ network.isti }} --dport {{ tcp_port }} -j ACCEPT
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-A INPUT -m state --state NEW -p tcp -m tcp -s {{ network.nmis }} --dport {{ tcp_port }} -j ACCEPT
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-A INPUT -m state --state NEW -p tcp -m tcp -s {{ network.eduroam }} --dport {{ tcp_port }} -j ACCEPT
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{% endfor %}
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{% endif %}
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{% if vsftpd_iptables_rules is defined and vsftpd_iptables_rules %}
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# Someone still uses ftp
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{% if vsftpd_iptables_allowed_hosts is defined and vsftpd_iptables_allowed_hosts %}
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{% for ip in vsftpd_iptables_allowed_hosts %}
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-A INPUT -m state --state NEW -m tcp -p tcp -s {{ ip }} --dport ftp -j ACCEPT
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-A INPUT -m state --state NEW,RELATED -m tcp -p tcp -s {{ ip }} --dport {{ vsftpd_pasv_min_port }}:{{ vsftpd_pasv_max_port }} -j ACCEPT
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{% endfor %}
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-A INPUT -m helper --helper ftp -j ACCEPT
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{% endif %}
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{% endif %}
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{% if nagios_enabled is defined %}
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{% if nagios_enabled %}
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{% if nagios_monitoring_server_ip is defined %}
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# Nagios NRPE
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{% for ip in nagios_monitoring_server_ip %}
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-A INPUT -m state --state NEW -s {{ ip }} -p tcp -m tcp --dport 5666 -j ACCEPT
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# Check ntp from the nagios server
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-A INPUT -s {{ ip }} -p udp -m udp --dport 123 -j ACCEPT
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{% endfor %}
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{% endif %}
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{% endif %}
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{% endif %}
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{% if configure_munin is defined %}
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{% if configure_munin %}
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{% if munin_server %}
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# Munin
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{% for ip in munin_server %}
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-A INPUT -m state --state NEW -s {{ ip }} -p tcp -m tcp --dport 4949 -j ACCEPT
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{% endfor %}
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{% endif %}
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{% endif %}
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{% endif %}
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{% if tomcat_cluster_enabled %}
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# tomcat cluster
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-A INPUT -m pkttype --pkt-type multicast -d {{ tomcat_cluster_multicast_addr }} -j ACCEPT
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-A INPUT -m state --state NEW -p tcp -m tcp --dport {{ tomcat_cluster_multicast_port }} -j ACCEPT
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{% if tomcat_cluster_multicast_net is defined %}
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-A INPUT -d {{ tomcat_cluster_multicast_net }} -j ACCEPT
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{% endif %}
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{% endif %}
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{% if orientdb_hazelcast_multicast_enabled is defined and orientdb_hazelcast_multicast_enabled %}
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# orientdb hazelcast multicast rules
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-A INPUT -m pkttype --pkt-type multicast -d {{ orientdb_hazelcast_multicast_group }} -j ACCEPT
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-A INPUT -m state --state NEW -p tcp -m tcp --dport {{ orientdb_hazelcast_multicast_port }} -j ACCEPT
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{% endif %}
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{% if ganglia_enabled is defined %}
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{% if ganglia_enabled %}
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{% if ganglia_gmond_cluster_port is defined %}
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# Ganglia
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{% if not ganglia_unicast_mode %}
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{% if ganglia_gmond_use_jmxtrans is not defined or not ganglia_gmond_use_jmxtrans %}
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-A INPUT -m pkttype --pkt-type multicast -d {{ ganglia_gmond_mcast_addr }} -j ACCEPT
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{% else %}
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-A INPUT -m pkttype --pkt-type multicast -j ACCEPT
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-A INPUT -p udp -m udp -d {{ ganglia_gmond_mcast_addr }} --dport {{ ganglia_gmond_cluster_port }} -j ACCEPT
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{% endif %}
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{% else %}
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{% for net in ganglia_unicast_networks %}
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-A INPUT -p udp -m udp -s {{ net }} --dport {{ ganglia_gmond_cluster_port }} -j ACCEPT
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{% endfor %}
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{% endif %}
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-A INPUT -m state --state NEW -s {{ ganglia_gmetad_host }} -p tcp -m tcp --dport {{ ganglia_gmond_cluster_port }} -j ACCEPT
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-A INPUT -s {{ ganglia_gmetad_host }} -p udp -m udp --dport {{ ganglia_gmond_cluster_port }} -j ACCEPT
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{% endif %}
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{% endif %}
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{% endif %}
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{% if postfix_relay_server is defined %}
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{% if postfix_relay_server %}
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#
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# These are only needed on the machines that act as relay servers
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#
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-A INPUT -p tcp -m multiport --dports 25,587,465 -s {{ network.nmis }} -j ACCEPT
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-A OUTPUT -p tcp -m multiport --dports 25,587,465 -s 127.0.0.1 -d 127.0.0.1 -j ACCEPT
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{% if postfix_use_relay_host is defined and postfix_use_relay_host %}
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-A OUTPUT -p tcp -m multiport --dports 25,587,465 -m owner --gid-owner postfix -d {{ postfix_relay_host }} -j ACCEPT
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{% else %}
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-A OUTPUT -p tcp -m multiport --dports 25,587,465 -m owner --gid-owner postfix -j ACCEPT
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{% endif %}
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-A OUTPUT -p tcp -m multiport --dports 25,587,465 -m state --state NEW -j LOG --log-prefix "LOCAL_DROPPED_SPAM " --log-uid
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-A OUTPUT -p tcp -m multiport --dports 25,587,465 -j DROP
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{% endif %}
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{% endif %}
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{% if postfix_relay_server is defined and not postfix_relay_server %}
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{% if postfix_relay_client is defined%}
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{% if postfix_relay_client %}
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#
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# When we are not a relay server but we want send email using our relay
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-A OUTPUT -p tcp -m multiport --dports 25,587,465 -s 127.0.0.1 -d 127.0.0.1 -j ACCEPT
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-A OUTPUT -p tcp -m multiport --dports 25,587,465 -m owner --gid-owner postfix -d {{ postfix_relay_host }} -j ACCEPT
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-A OUTPUT -p tcp -m multiport --dports 25,587,465 -m state --state NEW -j LOG --log-prefix "LOCAL_DROPPED_SPAM " --log-uid
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-A OUTPUT -p tcp -m multiport --dports 25,587,465 -j DROP
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{% endif %}
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{% endif %}
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{% endif %}
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{% if iptables is defined %}
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{% if iptables.tcp_rules is defined and iptables.tcp_rules %}
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# TCP rules
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{% for tcp_rule in iptables.tcp %}
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{% if tcp_rule.allowed_hosts is defined %}
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{% for ip in tcp_rule.allowed_hosts %}
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-A INPUT -m state --state NEW -s {{ ip }} -p tcp -m tcp --dport {{ tcp_rule.port }} -j ACCEPT
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{% endfor %}
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{% else %}
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-A INPUT -m state --state NEW -m tcp -p tcp --dport {{ tcp_rule.port }} -j ACCEPT
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{% endif %}
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{% endfor %}
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{% endif %}
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{% if iptables.udp_rules is defined and iptables.udp_rules %}
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# UDP rules
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{% for udp_rule in iptables.udp %}
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{% if udp_rule.allowed_hosts is defined %}
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{% for ip in udp_rule.allowed_hosts %}
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-A INPUT -s {{ ip }} -p udp -m udp --dport {{ udp_rule.port }} -j ACCEPT
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{% endfor %}
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{% else %}
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-A INPUT -p udp -m udp --dport {{ udp_rule.port }} -j ACCEPT
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{% endif %}
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{% endfor %}
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{% endif %}
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{% endif %}
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{% if keepalived_enabled is defined and keepalived_enabled %}
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-A INPUT -p vrrp -d {{ keepalived_mcast_addr }} -j ACCEPT
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-A OUTPUT -p vrrp -d {{ keepalived_mcast_addr }} -j ACCEPT
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{% endif %}
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#
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-A INPUT -s 125.24.0.0/14 -j DROP
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{% if iptables_input_default_policy == 'REJECT' %}
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-A INPUT -j REJECT --reject-with icmp-host-prohibited
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{% else %}
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-A INPUT -j {{ iptables_input_default_policy }}
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{% endif %}
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{% if not iptables_nat_enabled %}
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{% if iptables_forward_default_policy == 'REJECT' %}
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-A FORWARD -j REJECT --reject-with icmp-host-prohibited
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{% else %}
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-A FORWARD -j {{ iptables_forward_default_policy }}
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{% endif %}
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{% else %}
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# NAT is enabled, we need to accept traffic that is forwarded
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-A FORWARD -j ACCEPT
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{% endif %}
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COMMIT
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{% if iptables_nat_enabled %}
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# NAT rules
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*nat
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:PREROUTING ACCEPT [0:0]
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:INPUT ACCEPT [0:0]
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:OUTPUT ACCEPT [0:0]
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:POSTROUTING ACCEPT [0:0]
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{% if iptables_nat_specify_interfaces %}
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{% for int in iptables_nat_interfaces %}
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-A POSTROUTING -o {{ int }} -j MASQUERADE
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{% endfor %}
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{% else %}
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-A POSTROUTING -j MASQUERADE
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{% endif %}
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COMMIT
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{% endif %}
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