2023-05-28 20:01:02 +00:00
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ext_if = "lagg0"
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2023-05-29 02:36:31 +00:00
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not_ext_if = "{ !lagg0 }"
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2023-05-28 20:01:02 +00:00
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jail_nat_v4 = "{ 10.215.1.0/24 }"
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not_jail_nat_v4 = "{ any, !10.215.1.0/24 }"
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2023-06-17 17:19:41 +00:00
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pub_k8s = "{ 74.80.180.136/29, !74.80.180.138 }"
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2023-05-28 20:01:02 +00:00
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dhcp = "{ bootpc, bootps }"
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allow = "{ colo }"
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tcp_pass_in = "{ 22 }"
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udp_pass_in = "{ 53 51820 51821 51822 }"
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# Rules must be in order: options, normalization, queueing, translation, filtering
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# options
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set skip on lo
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# redirections
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2023-05-29 02:36:31 +00:00
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nat pass on lagg0 inet from $jail_nat_v4 to $not_jail_nat_v4 -> (lagg0)
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nat pass on $not_ext_if inet from $jail_nat_v4 to 10.215.1.1 port 53 -> ($ext_if)
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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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2023-05-28 20:01:02 +00:00
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2023-06-05 16:48:26 +00:00
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rdr pass on $ext_if inet proto tcp from $not_jail_nat_v4 to any port 6443 -> 10.215.1.204 port 6443
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2023-06-05 20:39:12 +00:00
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rdr pass on jail_nat inet proto tcp from $jail_nat_v4 to any port 6443 -> 10.215.1.204 port 6443
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nat pass on $not_ext_if proto {tcp, udp} from $not_jail_nat_v4 to 10.215.1.204 port 6443 -> (jail_nat)
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nat pass on $not_ext_if proto {tcp, udp} from $jail_nat_v4 to 10.215.1.204 port 6443 -> (jail_nat)
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2023-06-05 16:48:26 +00:00
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2023-05-28 20:01:02 +00:00
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# filtering
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block log all
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pass out on $ext_if
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2023-06-17 04:25:28 +00:00
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# Single interface kubernetes cluster is working with the following run on mrmanager:
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2023-06-17 17:19:41 +00:00
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# doas route add -host 74.80.180.139 -interface jail_nat
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# doas sysctl net.link.ether.inet.proxyall=1
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2023-06-17 04:25:28 +00:00
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# Plus this in pf.conf:
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# pass quick from any to 74.80.180.139
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2023-06-17 17:19:41 +00:00
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pass quick from any to $pub_k8s
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2023-06-17 04:25:28 +00:00
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2023-05-28 20:01:02 +00:00
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pass in on jail_nat
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# Allow traffic from my machine to the jails/virtual machines
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pass out on jail_nat from $jail_nat_v4
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# We pass on the interfaces listed in allow rather than skipping on
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# them because changes to pass rules will update when running a
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# `service pf reload` but interfaces that we `skip` will not update (I
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# forget if its from adding, removing, or both. TODO: test to figure
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# it out). Also skipped interfaces are not subject to nat/rdr rules.
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pass quick on $allow
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pass on $ext_if proto icmp all
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pass on $ext_if proto icmp6 all
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pass in on $ext_if proto tcp to any port $tcp_pass_in
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pass in on $ext_if proto udp to any port $udp_pass_in
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