| Line | |
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| 1 | ext_if="sis0"
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| 2 | int_if="tap0"
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| 3 | wifi_if="wlan0"
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| 4 |
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| 5 | wl_net="172.16.0.0/12"
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| 6 | vpn_net="172.17.64.0/28"
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| 7 |
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| 8 | publicnat="{80, 443}"
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| 9 | allow_ext_tcp="{22}"
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| 10 | allow_ext_udp="{161}"
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| 11 | allow_int_tcp="{22,53,80,3128,12345}"
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| 12 | allow_int_udp="{53,67,68,131,161,12345}"
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| 13 |
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| 14 | private="{ 10.0.0.0/8 , 192.168.0.0/16 }"
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| 15 |
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| 16 | # Nat the internet
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| 17 | nat on $ext_if from $wl_net to any port $publicnat -> ($ext_if)
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| 18 |
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| 19 | # Nat local wl access
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| 20 | nat on $int_if from any to $wl_net -> ($int_if)
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| 21 | pass on $ext_if from any to $wl_net keep state
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| 22 |
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| 23 | # Block all
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| 24 | block in on $ext_if
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| 25 | pass in on $int_if
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| 26 |
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| 27 | # Make sure to block local network access from wl
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| 28 | block out on $ext_if from $wl_net to $private
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| 29 |
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| 30 | # Allow wl access from access point (not yet reversed)
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| 31 | pass on $wifi_if from $wl_net to $wl_net
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| 32 |
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| 33 | # Allow directives
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| 34 | pass in on $ext_if inet proto tcp from any to $ext_if port $allow_ext_tcp keep state
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| 35 | pass in on $ext_if inet proto udp from any to $ext_if port $allow_ext_udp keep state
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| 36 | pass in on $int_if inet proto tcp from any to $vpn_net port $allow_int_tcp keep state
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| 37 | pass in on $int_if inet proto udp from any to $vpn_net port $allow_int_udp keep state
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| 38 | pass in on $int_if inet proto icmp from $wl_net to $vpn_net keep state
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| 39 |
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| 40 | # Enable statefull firewalling
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| 41 | pass out on {$ext_if, $int_if} keep state
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| 42 |
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| 43 |
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| 44 |
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