Compare commits
No commits in common. "master" and "v0.0.5" have entirely different histories.
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@ -2,58 +2,17 @@
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iptables__state: install
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iptables__drop_by_default: false
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iptables__allow_output_ifaces: []
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iptables__ssh_port: 22
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iptables__ssh_ifaces: []
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#############
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# NAT table #
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#############
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iptables__v4_filter_init: null
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iptables__v6_filter_init: null
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iptables__all_filter_init: null
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iptables__nat_v4: null
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iptables__nat_v6: null
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iptables__nat_all: null
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iptables__v4_filter_prepend: null
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iptables__v6_filter_prepend: null
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iptables__all_filter_prepend: null
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################
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# Filter table #
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################
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iptables__v4_filter_append: null
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iptables__v6_filter_append: null
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iptables__filter_prepend0_v4: null
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iptables__filter_prepend0_v6: null
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iptables__filter_prepend0_all: null
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iptables__filter_prepend1_v4: null
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iptables__filter_prepend1_v6: null
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iptables__filter_prepend1_all: null
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iptables__filter_prepend2_v4: null
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iptables__filter_prepend2_v6: null
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iptables__filter_prepend2_all: null
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iptables__filter_append0_v4: null
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iptables__filter_append0_v6: null
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iptables__filter_append0_all: null
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iptables__filter_append1_v4: null
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iptables__filter_append1_v6: null
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iptables__filter_append1_all: null
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iptables__filter_append2_v4: null
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iptables__filter_append2_v6: null
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iptables__filter_append2_all: null
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iptables__filter_ssh_before_v4: null
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iptables__filter_ssh_before_v6: null
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iptables__filter_ssh_before_all: null
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iptables__filter_ssh_after_v4: null
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iptables__filter_ssh_after_v6: null
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iptables__filter_ssh_after_all: null
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iptables__filter_loop_before_v4: null
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iptables__filter_loop_before_v6: null
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iptables__filter_loop_before_all: null
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iptables__filter_loop_after_v4: null
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iptables__filter_loop_after_v6: null
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iptables__filter_loop_after_all: null
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iptables__filter_out_before_v4: null
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iptables__filter_out_before_v6: null
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iptables__filter_out_before_all: null
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iptables__filter_out_after_v4: null
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iptables__filter_out_after_v6: null
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iptables__filter_out_after_all: null
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iptables__v4_nat: null
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iptables__v6_nat: null
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@ -19,10 +19,8 @@ galaxy_info:
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versions:
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- stretch # Debian 9 Stretch
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- buster # Debian 10 Buster
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- bullseye # Debian 11 Bullseye
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- name: Ubuntu
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versions:
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- xenial # Ubuntu 16.04 LTS Xenial Xerus
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- bionic # Ubuntu 18.04 LTS Bionic Beaver
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- focal # Ubuntu 20.04 LTS Focal Fossa
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- jammy # Ubuntu 22.04 LTS Jammy Jellyfish
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@ -1,75 +1,39 @@
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################################################################################
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#####
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*nat
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################################################################################
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#####
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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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# Remove all rules from all chains.
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# Remove all rules from all chains,
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# delete all user-defined chains.
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-F
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# Delete all user-defined chains.
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-X
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{{ iptables__nat_v4 }}
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{{ iptables__nat_all }}
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{{ iptables__v4_nat }}
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COMMIT
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################################################################################
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########
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*filter
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################################################################################
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########
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:INPUT {{ 'DROP' if iptables__drop_by_default else 'ACCEPT' }} [0:0]
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:FORWARD DROP [0:0]
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:OUTPUT {{ 'DROP' if iptables__drop_by_default else 'ACCEPT' }} [0:0]
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# Remove all rules from all chains.
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# Remove all rules from all chains,
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# delete all user-defined chains.
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-F
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# Delete all user-defined chains.
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-X
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##########
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# Custom #
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##########
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{{ iptables__v4_filter_init }}
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{{ iptables__all_filter_init }}
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{{ iptables__filter_prepend0_v6 }}
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{{ iptables__filter_prepend0_all }}
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{{ iptables__filter_prepend1_v6 }}
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{{ iptables__filter_prepend1_all }}
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{{ iptables__filter_prepend2_v6 }}
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{{ iptables__filter_prepend2_all }}
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#######
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# SSH #
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#######
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{{ iptables__filter_ssh_before_v6 }}
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{{ iptables__filter_ssh_before_all }}
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# Allow incoming SSH.
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{% if iptables__ssh_ifaces %}
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{% for iface in iptables__ssh_ifaces %}
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-A INPUT -i {{ iface }} -p tcp --dport 22 -m conntrack --ctstate NEW,ESTABLISHED -j ACCEPT
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-A OUTPUT -o {{ iface }} -p tcp --sport 22 -m conntrack --ctstate ESTABLISHED -j ACCEPT
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{% endfor %}
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{% else %}
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-A INPUT -p tcp --dport 22 -m conntrack --ctstate NEW,ESTABLISHED -j ACCEPT
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-A OUTPUT -p tcp --sport 22 -m conntrack --ctstate ESTABLISHED -j ACCEPT
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{% endif %}
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{{ iptables__filter_ssh_after_v6 }}
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{{ iptables__filter_ssh_after_all }}
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############
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# Loopback #
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############
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{{ iptables__filter_loop_before_v6 }}
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{{ iptables__filter_loop_before_all }}
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{{ iptables__v4_filter_prepend }}
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{{ iptables__all_filter_prepend }}
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# Allow all loopback (lo) traffic and reject anything
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# to localhost that does not originate from lo.
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@ -77,16 +41,6 @@ COMMIT
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-A INPUT ! -i lo -s 127.0.0.0/8 -j REJECT
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-A OUTPUT -o lo -j ACCEPT
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{{ iptables__filter_loop_after_v6 }}
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{{ iptables__filter_loop_after_all }}
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############
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# Outgoing #
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############
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{{ iptables__filter_out_before_v6 }}
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{{ iptables__filter_out_before_all }}
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# Allow all outgoing traffic.
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{% if iptables__allow_output_ifaces %}
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{% for iface in iptables__allow_output_ifaces %}
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@ -98,13 +52,6 @@ COMMIT
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-A INPUT -m conntrack --ctstate ESTABLISHED -j ACCEPT
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{% endif %}
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{{ iptables__filter_out_after_v6 }}
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{{ iptables__filter_out_after_all }}
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########
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# ICMP #
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########
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# Allow some important ICMP.
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-A INPUT -p icmp --icmp-type echo-request -j ACCEPT
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-A OUTPUT -p icmp --icmp-type echo-request -j ACCEPT
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@ -119,15 +66,10 @@ COMMIT
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-A INPUT -p icmp -j DROP
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-A OUTPUT -p icmp -j DROP
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##########
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# Custom #
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##########
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# Allow incoming SSH.
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-A INPUT -p tcp --dport 22 -m conntrack --ctstate NEW,ESTABLISHED -j ACCEPT
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-A OUTPUT -p tcp --sport 22 -m conntrack --ctstate ESTABLISHED -j ACCEPT
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{{ iptables__filter_append0_v6 }}
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{{ iptables__filter_append0_all }}
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{{ iptables__filter_append1_v6 }}
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{{ iptables__filter_append1_all }}
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{{ iptables__filter_append2_v6 }}
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{{ iptables__filter_append2_all }}
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{{ iptables__v4_filter_append }}
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COMMIT
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@ -1,75 +1,39 @@
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################################################################################
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#####
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*nat
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################################################################################
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#####
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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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# Remove all rules from all chains.
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# Remove all rules from all chains,
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# delete all user-defined chains.
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-F
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# Delete all user-defined chains.
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-X
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{{ iptables__nat_v6 }}
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{{ iptables__nat_all }}
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{{ iptables__v6_nat }}
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COMMIT
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################################################################################
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########
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*filter
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################################################################################
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########
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:INPUT {{ 'DROP' if iptables__drop_by_default else 'ACCEPT' }} [0:0]
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:FORWARD DROP [0:0]
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:OUTPUT {{ 'DROP' if iptables__drop_by_default else 'ACCEPT' }} [0:0]
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# Remove all rules from all chains.
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# Remove all rules from all chains,
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# delete all user-defined chains.
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-F
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# Delete all user-defined chains.
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-X
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##########
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# Custom #
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##########
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{{ iptables__v6_filter_init }}
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{{ iptables__all_filter_init }}
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{{ iptables__filter_prepend0_v4 }}
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{{ iptables__filter_prepend0_all }}
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{{ iptables__filter_prepend1_v4 }}
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{{ iptables__filter_prepend1_all }}
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{{ iptables__filter_prepend2_v4 }}
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{{ iptables__filter_prepend2_all }}
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#######
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# SSH #
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#######
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{{ iptables__filter_ssh_before_v4 }}
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{{ iptables__filter_ssh_before_all }}
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# Allow incoming SSH.
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{% if iptables__ssh_ifaces %}
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{% for iface in iptables__ssh_ifaces %}
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-A INPUT -i {{ iface }} -p tcp --dport 22 -m conntrack --ctstate NEW,ESTABLISHED -j ACCEPT
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-A OUTPUT -o {{ iface }} -p tcp --sport 22 -m conntrack --ctstate ESTABLISHED -j ACCEPT
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{% endfor %}
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{% else %}
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-A INPUT -p tcp --dport 22 -m conntrack --ctstate NEW,ESTABLISHED -j ACCEPT
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-A OUTPUT -p tcp --sport 22 -m conntrack --ctstate ESTABLISHED -j ACCEPT
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{% endif %}
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{{ iptables__filter_ssh_after_v4 }}
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{{ iptables__filter_ssh_after_all }}
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############
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# Loopback #
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############
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{{ iptables__filter_loop_before_v4 }}
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{{ iptables__filter_loop_before_all }}
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{{ iptables__v6_filter_prepend }}
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{{ iptables__all_filter_prepend }}
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# Allow all loopback (lo) traffic and reject anything
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# to localhost that does not originate from lo.
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@ -77,16 +41,6 @@ COMMIT
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-A INPUT ! -i lo -s ::/128 -j REJECT
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-A OUTPUT -o lo -j ACCEPT
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{{ iptables__filter_loop_after_v4 }}
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{{ iptables__filter_loop_after_all }}
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############
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# Outgoing #
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############
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{{ iptables__filter_out_before_v4 }}
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{{ iptables__filter_out_before_all }}
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# Allow all outgoing traffic.
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{% if iptables__allow_output_ifaces %}
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{% for iface in iptables__allow_output_ifaces %}
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@ -98,13 +52,6 @@ COMMIT
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-A INPUT -m conntrack --ctstate ESTABLISHED -j ACCEPT
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{% endif %}
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{{ iptables__filter_out_after_v4 }}
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{{ iptables__filter_out_after_all }}
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########
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# ICMP #
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########
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# Allow some important ICMP.
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-A INPUT -p icmpv6 --icmpv6-type echo-request -j ACCEPT
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-A OUTPUT -p icmpv6 --icmpv6-type echo-request -j ACCEPT
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@ -130,15 +77,10 @@ COMMIT
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-A INPUT -p icmpv6 -j DROP
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-A OUTPUT -p icmpv6 -j DROP
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##########
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# Custom #
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##########
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# Allow incoming SSH.
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-A INPUT -p tcp --dport 22 -m conntrack --ctstate NEW,ESTABLISHED -j ACCEPT
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-A OUTPUT -p tcp --sport 22 -m conntrack --ctstate ESTABLISHED -j ACCEPT
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{{ iptables__filter_append0_v4 }}
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{{ iptables__filter_append0_all }}
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{{ iptables__filter_append1_v4 }}
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{{ iptables__filter_append1_all }}
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{{ iptables__filter_append2_v4 }}
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{{ iptables__filter_append2_all }}
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{{ iptables__v6_filter_append }}
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COMMIT
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||||
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Loading…
Reference in New Issue