root / manifests / init.pp @ 8efbdf9a
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| 1 | 0ba57c66 | mh | # manage nftables |
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| 2 | be0b08e1 | tr | class nftables ( |
| 3 | Boolean $in_ssh = true, |
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| 4 | Boolean $out_ntp = true, |
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| 5 | Boolean $out_dns = true, |
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| 6 | cd664666 | tr | Boolean $out_http = true, |
| 7 | be0b08e1 | tr | Boolean $out_https = true, |
| 8 | ) {
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| 9 | |||
| 10 | 0ba57c66 | mh | package{'nftables':
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| 11 | ensure => installed, |
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| 12 | } -> file_line{
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| 13 | 'enable_nftables': |
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| 14 | line => 'include "/etc/nftables/puppet.nft"', |
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| 15 | path => '/etc/sysconfig/nftables.conf', |
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| 16 | notify => Service['nftables'], |
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| 17 | } -> file{
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| 18 | default: |
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| 19 | e140adff | tr | owner => 'root', |
| 20 | group => 'root', |
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| 21 | mode => '0640'; |
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| 22 | 0ba57c66 | mh | '/etc/nftables/puppet.nft': |
| 23 | 5acb554a | tr | ensure => file, |
| 24 | 0ba57c66 | mh | source => 'puppet:///modules/nftables/config/puppet.nft'; |
| 25 | '/etc/nftables/puppet': |
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| 26 | ensure => directory, |
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| 27 | 5acb554a | tr | mode => '0750', |
| 28 | 0ba57c66 | mh | purge => true, |
| 29 | force => true, |
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| 30 | recurse => true; |
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| 31 | } ~> service{'nftables':
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| 32 | e140adff | tr | ensure => running, |
| 33 | enable => true, |
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| 34 | 0ba57c66 | mh | } |
| 35 | |||
| 36 | nftables::config{
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| 37 | 'filter': |
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| 38 | source => 'puppet:///modules/nftables/config/puppet-filter.nft'; |
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| 39 | 5933ab8e | tr | 'ip-nat': |
| 40 | source => 'puppet:///modules/nftables/config/puppet-ip-nat.nft'; |
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| 41 | 0ba57c66 | mh | } |
| 42 | |||
| 43 | 8efbdf9a | tr | nftables::chain{
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| 44 | 0ba57c66 | mh | [ |
| 45 | 8efbdf9a | tr | 'INPUT', |
| 46 | 'OUTPUT', |
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| 47 | 'FORWARD', |
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| 48 | 0ba57c66 | mh | ]:; |
| 49 | } |
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| 50 | be0b08e1 | tr | |
| 51 | 8efbdf9a | tr | nftables::chain{
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| 52 | 'default_in': |
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| 53 | inject => '10-INPUT'; |
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| 54 | 'default_out': |
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| 55 | inject => '10-OUTPUT'; |
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| 56 | 'default_fwd': |
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| 57 | inject => '10-FORWARD'; |
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| 58 | } |
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| 59 | |||
| 60 | # filter-chain-INPUT |
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| 61 | nftables::rule{
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| 62 | 'INPUT-type': |
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| 63 | order => '01', |
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| 64 | content => 'type filter hook input priority 0'; |
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| 65 | 'INPUT-policy': |
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| 66 | order => '02', |
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| 67 | content => 'policy drop'; |
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| 68 | 'INPUT-lo': |
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| 69 | order => '03', |
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| 70 | content => 'iifname lo accept'; |
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| 71 | 'INPUT-jump_global': |
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| 72 | order => '04', |
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| 73 | content => 'jump global'; |
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| 74 | 'INPUT-log_rejected': |
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| 75 | order => '98', |
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| 76 | content => 'log prefix "[nftables] INPUT Rejected: " flags all counter reject with icmpx type port-unreachable'; |
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| 77 | } |
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| 78 | |||
| 79 | # filter-chain-OUTPUT |
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| 80 | nftables::rule{
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| 81 | 'OUTPUT-type': |
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| 82 | order => '01', |
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| 83 | content => 'type filter hook output priority 0'; |
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| 84 | 'OUTPUT-policy': |
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| 85 | order => '02', |
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| 86 | content => 'policy drop'; |
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| 87 | 'OUTPUT-lo': |
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| 88 | order => '03', |
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| 89 | content => 'oifname lo accept'; |
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| 90 | 'OUTPUT-jump_global': |
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| 91 | order => '04', |
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| 92 | content => 'jump global'; |
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| 93 | 'OUTPUT-log_rejected': |
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| 94 | order => '98', |
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| 95 | content => 'log prefix "[nftables] OUTPUT Rejected: " flags all counter reject with icmpx type port-unreachable'; |
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| 96 | } |
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| 97 | |||
| 98 | # filter-chain-FORWARD |
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| 99 | nftables::rule{
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| 100 | 'FORWARD-type': |
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| 101 | order => '01', |
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| 102 | content => 'type filter hook forward priority 0'; |
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| 103 | 'FORWARD-policy': |
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| 104 | order => '02', |
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| 105 | content => 'policy drop'; |
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| 106 | 'FORWARD-jump_global': |
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| 107 | order => '03', |
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| 108 | content => 'jump global'; |
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| 109 | 'FORWARD-log_rejected': |
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| 110 | order => '98', |
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| 111 | content => 'log prefix "[nftables] FORWARD Rejected: " flags all counter reject with icmpx type port-unreachable'; |
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| 112 | } |
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| 113 | |||
| 114 | be0b08e1 | tr | # basic ingoing rules |
| 115 | if $in_ssh {
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| 116 | include nftables::rules::ssh |
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| 117 | } |
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| 118 | |||
| 119 | 0ba57c66 | mh | # basic outgoing rules |
| 120 | be0b08e1 | tr | if $out_ntp {
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| 121 | 188e569f | tr | include nftables::rules::out::chrony |
| 122 | be0b08e1 | tr | } |
| 123 | if $out_dns {
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| 124 | include nftables::rules::out::dns |
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| 125 | } |
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| 126 | cd664666 | tr | if $out_http {
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| 127 | include nftables::rules::out::http |
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| 128 | } |
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| 129 | be0b08e1 | tr | if $out_https {
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| 130 | include nftables::rules::out::https |
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| 131 | 0ba57c66 | mh | } |
| 132 | } |