| 1 | all_node="172.31.255.1/32"
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| 2 | wl_net="172.16.0.0/12"
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| 3 | allow_ext_tcp="{22}"
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| 4 | allow_ext_udp="{161}"
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| 5 | allow_int_tcp="{22,3128}"
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| 6 | allow_int_udp="{53,161,12345}"
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| 7 | allow_int_udp_any="{67}"
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| 8 |
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| 9 | private="{ 10.0.0.0/8 , 192.168.0.0/16 }"
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| 10 |
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| 11 | # Nat the internet
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| 12 | nat on $ext_if from $wl_net to any port $publicnat -> ($ext_if)
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| 13 |
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| 14 | # Nat local wl access
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| 15 | nat on $int_if from $private to $wl_net -> ($int_if)
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| 16 |
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| 17 | # Redirection, needs source natting and allow rules
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| 18 | #rdr on $ext_if inet proto tcp from any to $ext_if port 1022 -> 192.168.84.1 port 22
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| 19 |
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| 20 | # Localhost is considered safe
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| 21 | pass quick on lo0 all
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| 22 |
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| 23 | # Block all
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| 24 | block in on $ext_if from any to $ext_if
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| 25 | block in on $int_if from any to $int_if
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| 26 |
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| 27 | # Allow private to private
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| 28 | # Enable me to access anything
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| 29 | pass out on {$ext_if, $int_if} keep state
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| 30 |
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| 31 | # Allow internet access from the network
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| 32 | pass in on $int_if inet proto tcp from $wl_net to any port $publicnat keep state
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| 33 | block in on $int_if inet proto tcp from $wl_net to $int_if port $publicnat
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| 34 |
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| 35 | # Allow directives
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| 36 | pass in on $ext_if inet proto tcp from any to $ext_if port $allow_ext_tcp keep state
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| 37 | pass in on $ext_if inet proto udp from any to $ext_if port $allow_ext_udp keep state
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| 38 |
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| 39 | pass in on $int_if inet proto tcp from $wl_net to $int_if port $allow_int_tcp keep state
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| 40 | pass in on $int_if inet proto udp from $wl_net to $int_if port $allow_int_udp keep state
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| 41 | pass in on $int_if inet proto icmp from $wl_net to $int_if keep state
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| 42 |
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| 43 | # Allow wl access from local network
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| 44 | pass on $ext_if from $private to $wl_net keep state
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| 45 |
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| 46 | # Make sure to block local network access from wl
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| 47 | block on $int_if from $wl_net to $private
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| 48 |
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| 49 | # Otherwise lvrouted breaks:
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| 50 | pass in on $int_if
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