machine_setup/ansible/roles/firewall/files/odofreebsd_pf.conf

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ext_if = "{ wlan0 }"
not_ext_if = "{ !wlan0 }"
jail_nat_v4 = "{ 10.193.223.0/24 10.213.177.0/24 10.215.1.0/24 }"
not_jail_nat_v4 = "{ any, !10.193.223.0/24 !10.213.177.0/24 !10.215.1.0/24 }"
dns_redirect = "{ 10.193.223.1 10.213.177.1 10.215.1.1 }"
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dhcp = "{ bootpc, bootps }"
allow = "{ wgf wgh drmario colo }"
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tcp_pass_in = "{ 22 }"
udp_pass_in = "{ 53 51820 }"
# Rules must be in order: options, normalization, queueing, translation, filtering
# options
set skip on lo
# redirections
nat pass on $ext_if inet from $jail_nat_v4 to $not_jail_nat_v4 -> (wlan0)
rdr pass on $not_ext_if proto {tcp, udp} from any to 10.215.1.1 port 53 -> 1.1.1.1 port 53
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# filtering
block log all
pass out on $ext_if
pass in on jail_nat
# Allow traffic from my machine to the jails/virtual machines
pass out on jail_nat from jail_nat
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# We pass on the interfaces listed in allow rather than skipping on
# them because changes to pass rules will update when running a
# `service pf reload` but interfaces that we `skip` will not update (I
# forget if its from adding, removing, or both. TODO: test to figure
# it out)
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pass quick on $allow
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pass on $ext_if proto icmp all
pass on $ext_if proto icmp6 all
pass in on $ext_if proto tcp to any port $tcp_pass_in
pass in on $ext_if proto udp to any port $udp_pass_in