## top nibble of the network number classifies the network, as follows.
##
## 8xxx Untrusted
-## 6xxx Virtual
+## 6xxx Virtual, safe
## 4xxx Safe
## 0xxx Unsafe, trusted
##
## Define the available network classes.
m4_divert(42)m4_dnl
-defnetclass untrusted untrusted trusted mcast
-defnetclass trusted untrusted trusted safe noloop mcast
-defnetclass safe trusted safe noloop mcast
-defnetclass noloop trusted safe mcast
+defnetclass scary scary trusted mcast
+defnetclass untrusted scary untrusted trusted mcast
+defnetclass trusted scary untrusted trusted safe noloop mcast
+defnetclass safe trusted safe noloop mcast
+defnetclass noloop trusted safe mcast
+
defnetclass link
defnetclass mcast
m4_divert(-1)
## House networks.
defnet dmz trusted
addr 62.49.204.144/28 2001:470:1f09:1b98::/64
- forwards unsafe untrusted
+ via unsafe untrusted
defnet unsafe trusted
addr 172.29.199.0/25 2001:470:9740:1::/64
- forwards househub
+ via househub
defnet safe safe
addr 172.29.199.192/27 2001:470:9740:4001::/64
- forwards househub
+ via househub
defnet untrusted untrusted
addr 172.29.198.0/25 2001:470:9740:8001::/64
- forwards househub
+ via househub
defnet househub virtual
- forwards housebdry dmz unsafe safe untrusted
+ via housebdry dmz unsafe safe untrusted
defnet housebdry virtual
- forwards househub hub
- noxit dmz
+ via househub hub
## House hosts.
defhost radius
iface eth0 dmz unsafe safe untrusted vpn sgo colobdry default
iface eth1 dmz unsafe safe untrusted vpn sgo colobdry default
iface eth2 dmz unsafe safe untrusted vpn sgo colobdry
- iface eth3 untrusted vpn default
+ iface eth3 unsafe untrusted vpn default
iface ppp0 default
iface t6-he default
iface vpn-precision colobdry vpn sgo
hosttype router
iface eth0 dmz unsafe untrusted
iface eth1 dmz unsafe untrusted
- iface eth3 untrusted
+ iface eth3 unsafe untrusted
defhost vampire
hosttype router
iface eth0.4 dmz unsafe untrusted safe vpn sgo colobdry
iface eth0.5 dmz unsafe untrusted safe vpn sgo colobdry
iface eth0.6 dmz unsafe safe untrusted vpn sgo colobdry
- iface eth0.7 untrusted
+ iface eth0.7 unsafe untrusted vpn
iface vpn-precision colobdry vpn sgo
iface vpn-chiark sgo
iface vpn-+ vpn
defhost ibanez
iface br-dmz dmz unsafe
iface br-unsafe unsafe
+defhost orange
+ iface wlan0 untrusted
+ iface vpn-radius unsafe
+defhost groove
+ iface eth0 unsafe
+ iface wlan0 untrusted
+ iface vpn-radius unsafe
defhost gibson
hosttype client
## Colocated networks.
defnet jump trusted
addr 212.13.198.64/28 2001:ba8:0:1d9::/64
- forwards colohub
+ via colohub
defnet colo trusted
addr 172.29.199.176/28 2001:ba8:1d9:2::/64
- forwards colohub
+ via colohub
defnet colohub virtual
- forwards colobdry jump colo iodine
+ via colobdry jump colo
defnet colobdry virtual
- forwards colohub hub
- noxit jump
+ via colohub hub
defnet iodine untrusted
addr 172.29.198.128/28
- forwards colohub
+ via colohub
## Colocated hosts.
defhost fender
hosttype router
iface eth0 jump colo vpn sgo
iface eth1 jump colo vpn sgo
+ iface vpn-mango binswood
iface vpn-radius housebdry vpn sgo
iface vpn-chiark sgo
iface vpn-+ vpn
defhost stratocaster
iface eth0 jump colo
iface eth1 jump colo
+defhost jaguar
+ iface eth0 jump
defhost jazz
hosttype router
iface eth0 jump colo vpn
## Other networks.
defnet hub virtual
- forwards housebdry colobdry
+ via housebdry colobdry
defnet sgo noloop
addr !172.29.198.0/23
addr 10.0.0.0/8
addr 172.16.0.0/12
addr 192.168.0.0/16
- forwards househub colohub
+ via househub colohub
defnet vpn safe
addr 172.29.199.128/27 2001:ba8:1d9:6000::/64
- forwards househub colohub
- host crybaby 1
- host terror 2
+ via househub colohub
+ host crybaby 1 ::1:1
+ host terror 2 ::2:1
+ host orange 3 ::3:1
+ host haze 4 ::4:1
+ host groove 5 ::5:1
defnet anycast trusted
addr 172.29.199.224/27 2001:ba8:1d9:0::/64
- forwards dmz unsafe safe untrusted jump colo vpn
-defnet default untrusted
+ via dmz unsafe safe untrusted jump colo vpn
+defnet default scary
addr 62.49.204.144/28 2001:470:1f09:1b98::/64
addr 212.13.198.64/28 2001:ba8:0:1d9::/64
addr 2001:ba8:1d9::/48 #temporary
- forwards dmz unsafe untrusted jump colo
+ via dmz unsafe untrusted jump colo
+
+## Satellite networks.
+defnet binswood noloop
+ addr 10.165.27.0/24
+ via colohub
+
+defhost mango
+ hosttype router
+ iface eth0 binswood default
+ iface vpn-precision colo
+
+m4_divert(80)m4_dnl
+###--------------------------------------------------------------------------
+### Connection tracking helper modules.
+
+for i in ftp; do
+ modprobe nf_conntrack_$i
+done
m4_divert(80)m4_dnl
###--------------------------------------------------------------------------
## Inspect inbound packets from untrusted sources.
run ip46tables -A inbound -j forbidden
+run ip46tables -A INPUT -m mark --mark $from_scary/$MASK_FROM -g inbound
run ip46tables -A INPUT -m mark --mark $from_untrusted/$MASK_FROM -g inbound
+## Allow responses from the scary outside world into the untrusted net, but
+## don't let untrusted things run services.
+case $forward in
+ 1)
+ run ip46tables -A FORWARD -j ACCEPT \
+ -m mark --mark $(( $from_scary | $to_untrusted ))/$(( $MASK_FROM | $MASK_TO )) \
+ -m state --state ESTABLISHED,RELATED
+ ;;
+esac
+
## Otherwise process as indicated by the mark.
for i in $inchains; do
run ip46tables -A $i -m mark ! --mark 0/$MASK_MASK -j ACCEPT
~mdw / firewall / blobdiff