94 lines
5.5 KiB
Django/Jinja
94 lines
5.5 KiB
Django/Jinja
*filter
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:INPUT {{ firewall_iptables_input_policy_v6 }}
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:FORWARD {{ firewall_iptables_forward_policy_v6 }}
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:OUTPUT {{ firewall_iptables_output_policy_v6 }}
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:LIMIT -
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:LOG_LIMIT -
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:LOG_ACCEPT -
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:LOG_DROP -
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-A LOG_ACCEPT -m limit --limit {{ firewall_log_limit }} --limit-burst {{ firewall_log_limit_burst }} -j LOG --log-prefix "[iptables ACCEPT] " --log-level info
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-A LOG_ACCEPT -j ACCEPT
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-A LOG_DROP -m limit --limit {{ firewall_log_limit }} --limit-burst {{ firewall_log_limit_burst }} -j LOG --log-prefix "[iptables DROP] " --log-level info
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-A LOG_DROP -j DROP
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-A LOG_LIMIT -m limit --limit {{ firewall_log_limit }} --limit-burst {{ firewall_log_limit_burst }} -j LOG --log-prefix "[iptables LIMIT] " --log-level info
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-A LOG_LIMIT -j DROP
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-A LIMIT -m state --state NEW -m recent --set
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-A LIMIT -m state --state NEW -m recent --update --seconds {{ firewall_limit_seconds }} --hitcount {{ firewall_limit_hitcount }} -j LOG_LIMIT
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-A LIMIT -j ACCEPT
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{% if firewall_drop_icmp_flood %}
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-N ICMP_FLOOD
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-A ICMP_FLOOD -m recent --set --name ICMP --rsource
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-A ICMP_FLOOD -m recent --update --seconds 1 --hitcount 6 --name ICMP --rsource --rttl -m limit --limit {{ firewall_log_limit }} --limit-burst {{ firewall_log_limit_burst }} -j LOG --log-prefix "[iptables ICMP FLOOD] " --log-level info
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-A ICMP_FLOOD -m recent --update --seconds 1 --hitcount 6 --name ICMP --rsource --rttl -j DROP
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-A ICMP_FLOOD -j ACCEPT
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{% endif %}
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-A INPUT -i lo -m comment --comment "lo accept all" -j ACCEPT
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{% for ipset in firewall_ipset_mgmt.v6 | default([]) %}
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-A INPUT -p tcp -m tcp --dport 22 -m set --match-set mgmt_v6 src -m comment --comment "accept mgmt ssh" -j ACCEPT
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{% endfor %}
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{% for ipset in firewall_ipset_blacklist.v6 | default([]) %}
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-A INPUT -m set --match-set mgmt_v6 src -m comment --comment "drop blacklist" -j LOG_DROP
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{% endfor %}
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-A INPUT -s fe80::/10 -p icmpv6 -m icmpv6 --icmpv6-type 130 -m comment --comment "accept icmp 130" -j ACCEPT
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-A INPUT -s fe80::/10 -p icmpv6 -m icmpv6 --icmpv6-type 131 -m comment --comment "accept icmp 131" -j ACCEPT
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-A INPUT -s fe80::/10 -p icmpv6 -m icmpv6 --icmpv6-type 132 -m comment --comment "accept icmp 132" -j ACCEPT
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-A INPUT -s fe80::/10 -p icmpv6 -m icmpv6 --icmpv6-type 143 -m comment --comment "accept icmp 143" -j ACCEPT
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-A INPUT -s fe80::/10 -p icmpv6 -m icmpv6 --icmpv6-type 151 -m hl --hl-eq 1 -m comment --comment "accept icmp 151" -j ACCEPT
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-A INPUT -s fe80::/10 -p icmpv6 -m icmpv6 --icmpv6-type 152 -m hl --hl-eq 1 -m comment --comment "accept icmp 152" -j ACCEPT
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-A INPUT -s fe80::/10 -p icmpv6 -m icmpv6 --icmpv6-type 153 -m hl --hl-eq 1 -m comment --comment "accept icmp 153" -j ACCEPT
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-A INPUT -s fe80::/10 -p udp -m udp --sport 547 --dport 546 -m comment --comment "accept dhcpv6" -j ACCEPT
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-A INPUT -p icmpv6 -m icmpv6 --icmpv6-type destination-unreachable -m comment --comment "accept icmp destination-unreachable" -j ACCEPT
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-A INPUT -p icmpv6 -m icmpv6 --icmpv6-type packet-too-big -m comment --comment "accept icmp packet-too-big" -j ACCEPT
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-A INPUT -p icmpv6 -m icmpv6 --icmpv6-type time-exceeded -m comment --comment "accept icmp time-exceeded" -j ACCEPT
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-A INPUT -p icmpv6 -m icmpv6 --icmpv6-type parameter-problem -m comment --comment "accept icmp parameter-problem" -j ACCEPT
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{% if firewall_drop_icmp_flood %}
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-A INPUT -p icmpv6 -m icmpv6 --icmpv6-type echo-request -m comment --comment "accept icmpv6 echo-request" -j ICMP_FLOOD
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{% else %}
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-A INPUT -p icmpv6 -m icmpv6 --icmpv6-type echo-request -m comment --comment "accept icmpv6 echo-request" -j ACCEPT
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{% endif %}
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-A INPUT -p icmpv6 -m icmpv6 --icmpv6-type echo-reply -m comment --comment "accept icmp echo-reply" -j ACCEPT
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-A INPUT -p icmpv6 -m icmpv6 --icmpv6-type router-solicitation -m hl --hl-eq 255 -m comment --comment "accept icmp router-solicitation" -j ACCEPT
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-A INPUT -p icmpv6 -m icmpv6 --icmpv6-type router-advertisement -m hl --hl-eq 255 -m comment --comment "accept icmp router-advertisement" -j ACCEPT
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-A INPUT -p icmpv6 -m icmpv6 --icmpv6-type neighbour-solicitation -m hl --hl-eq 255 -m comment --comment "accept icmp neighbour-solicitation" -j ACCEPT
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-A INPUT -p icmpv6 -m icmpv6 --icmpv6-type neighbour-advertisement -m hl --hl-eq 255 -m comment --comment "accept icmp neighbour-advertisement" -j ACCEPT
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-A INPUT -p icmpv6 -m icmpv6 --icmpv6-type 141 -m hl --hl-eq 255 -m comment --comment "accept icmp 141" -j ACCEPT
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-A INPUT -p icmpv6 -m icmpv6 --icmpv6-type 142 -m hl --hl-eq 255 -m comment --comment "accept icmp 142" -j ACCEPT
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-A INPUT -p icmpv6 -m icmpv6 --icmpv6-type 148 -m hl --hl-eq 255 -m comment --comment "accept icmp 148" -j ACCEPT
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-A INPUT -p icmpv6 -m icmpv6 --icmpv6-type 149 -m hl --hl-eq 255 -m comment --comment "accept icmp 149" -j ACCEPT
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{% for ipset in firewall_ipset_bogons | default([]) %}
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-A INPUT -i {{ firewall_bogon_interface }} -m set --match-set bogons_v6 src,dst -m comment --comment "drop bogons" -j LOG_DROP
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{% endfor %}
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{% for port in firewall_allowed_tcp_ports.v6 | default([]) %}
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-A INPUT -p tcp -m tcp --dport {{ port }} -m comment --comment "accept {{ port }}/tcp" -j ACCEPT
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{% endfor %}
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{% for port in firewall_allowed_udp_ports.v4 | default([]) %}
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-A INPUT -p udp -m udp --dport {{ port }} -m comment --comment "accept {{ port }}/udp" -j ACCEPT
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{% endfor %}
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{% for port in firewall_limited_tcp_ports.v6 | default([]) %}
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-A INPUT -p tcp -m tcp --dport {{ port }} -m comment --comment "limit {{ port }}/tcp" -j LIMIT
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{% endfor %}
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-A INPUT -m state --state RELATED,ESTABLISHED -m comment --comment "accept related/established" -j ACCEPT
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-A INPUT -m comment --comment "log drop" -j LOG_DROP
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COMMIT
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