diff options
Diffstat (limited to 'roles/space_server/files')
| -rw-r--r-- | roles/space_server/files/nftables.conf | 332 |
1 files changed, 0 insertions, 332 deletions
diff --git a/roles/space_server/files/nftables.conf b/roles/space_server/files/nftables.conf deleted file mode 100644 index 93ecc25..0000000 --- a/roles/space_server/files/nftables.conf +++ /dev/null @@ -1,332 +0,0 @@ -# our hosts -define ap1 = 10.42.0.5 -define ap2 = 10.42.0.6 -define labitat = 185.38.172.72 -define jumbotron_ip4 = 10.42.1.36 -define jumbotron_ip6 = 2a01:4262:1ab:b:ba27:ebff:fed3:c162 - -# internal stuff -define ext_if = wan -define ext_ip4 = 185.38.175.0 -define ext_ip6 = 2a01:4262:1ab:: -define int_net4 = 10.42.0.0/16 -define ext_net4 = 185.38.175.0/24 -define ext_net6 = 2a01:4262:1ab::/48 -define link_net4 = 193.106.167.40/29 -define link_net6 = 2a03:5440:1:2935:1ab::/80 - -define adm_if = lan10 -define adm_ip4 = 10.42.0.1 -define adm_net4 = 10.42.0.0/24 - -define wire_if = lan11 -define wire_ip4 = 10.42.1.1 -define wire_net4 = 10.42.1.0/24 -define wire_net6 = 2a01:4262:1ab:b::/64 - -define priv_if = lan12 -define priv_ip4 = 10.42.2.1 -define priv_net4 = 10.42.2.0/24 -define priv_net6 = 2a01:4262:1ab:c::/64 - -define free_if = lan13 -define free_ip4 = 10.42.3.1 -define free_nat = 185.38.175.1 -define free_net4 = 10.42.3.0/24 -define free_net6 = 2a01:4262:1ab:d::/64 - -define pass_if = lan14 -define pass_ip4 = 10.42.4.1 -define pass_net4 = 10.42.4.0/24 -define pass_net6 = 2a01:4262:1ab:e::/64 - -define futu_if = lan15 -define futu_net6 = 2a01:4262:1ab:f::/64 - -define nat64_if = nat64 -define nat64_net4 = 10.42.128.0/17 - -define colo_if = lan20 - -define tor_if = lan21 -define tor_net4 = 185.38.175.128/28 -define tor_net6 = 2a01:4262:1ab:ffff::/64 - -define local_ip4 = { $ext_ip4, $adm_ip4, $wire_ip4, $priv_ip4, $free_ip4, $pass_ip4 } -define local_ip6 = { $ext_ip6 } -define local_net4 = { $ext_ip4, $free_nat, $int_net4 } -define local_net6 = 2a01:4262:1ab::/52 - -define avahi_ifs = { $wire_if, $priv_if, $pass_if } - -table ip filter { - chain prerouting { - type filter hook prerouting priority 0; - - # colo reverse path filtering - # find route to saddr on iif, get oif, drop if route is missing - iif $colo_if fib saddr . iif oif missing drop; - } - - chain input { - type filter hook input priority 0; - - ct state established,related accept - ct state invalid drop - - # no ping floods - ip protocol icmp limit rate 100/second accept - ip protocol icmp drop - - iif lo accept - - # drop incoming spoofed packages - iif $ext_if ip saddr { 10.0.0.0/8, $ext_net4 } drop - - # bird etc. on fiberby link - iif $ext_if ip saddr $link_net4 ip daddr $link_net4 counter accept - - # bgp - iif $colo_if tcp dport bgp accept - - # dhcp - udp sport bootpc udp dport bootps iif != $ext_if counter accept - - # radius - iif $adm_if ip saddr { $ap1, $ap2 } udp dport 1812 accept - - # tftp - iif $wire_if ip saddr $wire_net4 udp dport 69 accept - - # ssh - tcp dport 22 accept - - # dns - tcp dport 53 ip saddr { $int_net4, $ext_net4 } accept - udp dport 53 ip saddr { $int_net4, $ext_net4 } accept - - # ntp - udp dport 123 ip saddr { $int_net4, $ext_net4 } accept - - # avahi - ip daddr 224.0.0.251 udp dport 5353 iif $avahi_ifs accept - ip protocol igmp iif $avahi_ifs accept - - # http cert validation - tcp dport 80 ip daddr $ext_ip4 accept - - ## debugging - #iif $ext_if counter drop - #udp dport { 137, 138, 5353, 27036 } drop # NetBIOS, Avahi, Steam in-home stream - #udp sport 17500 udp dport 17500 drop # Dropbox LANsync - #ip protocol igmp drop # IGMP - #counter log prefix "in4: " drop - drop - } - - chain forward { - type filter hook forward priority 0; - - # handle tor traffic - before ct - iif $tor_if ip saddr $tor_net4 ip daddr != $local_net4 accept - oif $tor_if ip daddr $tor_net4 ip saddr != $local_net4 accept - - ct state established,related accept - ct state invalid drop - - # drop incoming spoofed packages - iif $ext_if ip saddr { 10.0.0.0/8, $ext_net4 } drop - - # jumbotron webhook - ip daddr $jumbotron_ip4 tcp dport 17380 counter accept - - # no traffic to admin net - ip daddr $adm_net4 ip saddr $int_net4 reject with icmp type net-prohibited - ip daddr $adm_net4 drop - - # local traffic - iif $adm_if ip saddr $adm_net4 accept - iif $wire_if ip saddr $wire_net4 accept - iif $priv_if ip saddr $priv_net4 accept - iif $free_if ip saddr $free_net4 ip daddr != $int_net4 accept - iif $pass_if ip saddr $pass_net4 accept - iif $nat64_if ip saddr $nat64_net4 accept - iif $colo_if ip daddr != $int_net4 accept - oif $colo_if accept - - ## debugging - #iif $ext_if counter drop - #counter log prefix "fw4: " drop - drop - } -} - -table ip6 filter { - chain prerouting { - type filter hook prerouting priority 0; - - # colo reverse path filtering - # find route to saddr on iif, get oif, drop if route is missing - iif $colo_if fib saddr . iif oif missing drop; - } - - chain input { - type filter hook input priority 0; - - ct state established,related accept - ct state invalid drop - - # no ping floods - ip6 nexthdr ipv6-icmp limit rate 100/second accept - ip6 nexthdr ipv6-icmp drop - - iif lo accept - - # drop incoming spoofed packages - iif $ext_if ip6 saddr $ext_net6 drop - - iif { $adm_if, $wire_if, $priv_if, $free_if, $pass_if } hbh nexthdr ipv6-icmp accept - - # bird etc. on fiberby link - iif $ext_if ip6 saddr $link_net6 ip6 daddr $link_net6 counter accept - - # bgp - iif $colo_if tcp dport bgp accept - - # tftp - iif $wire_if ip6 saddr $wire_net6 udp dport 69 accept - - # ssh - tcp dport 22 accept - - # dns - tcp dport 53 ip6 saddr $ext_net6 accept - udp dport 53 ip6 saddr $ext_net6 accept - - # ntp - udp dport 123 ip6 saddr $ext_net6 accept - - # avahi - ip6 daddr ff02::fb udp dport 5353 iif $avahi_ifs accept - - # http cert validation - tcp dport 80 ip6 daddr $ext_ip6 accept - - ## debugging - #counter log prefix "in6: " drop - drop - } - - chain forward { - type filter hook forward priority 0; - - # handle tor traffic - before ct - iif $tor_if ip6 saddr $tor_net6 ip6 daddr != $local_net6 accept - oif $tor_if ip6 daddr $tor_net6 ip6 saddr != $local_net6 accept - - ct state established,related accept - ct state invalid drop - - # drop incoming spoofed packages - iif $ext_if ip6 saddr $ext_net6 drop - - # jumbotron webhook - ip6 daddr $jumbotron_ip6 tcp dport 17380 counter accept - - iif $wire_if ip6 saddr $wire_net6 accept - iif $priv_if ip6 saddr $priv_net6 accept - iif $free_if ip6 saddr $free_net6 ip6 daddr != $ext_net6 accept - iif $pass_if ip6 saddr $pass_net6 accept - iif $futu_if ip6 saddr $futu_net6 accept - iif $colo_if ip6 daddr != $ext_net6 accept - oif $colo_if accept - - ## debugging - #counter log prefix "fw6: " drop - drop - } -} - -table ip nat { - chain portforward { - ip daddr $ext_ip4 tcp dport 17380 dnat $jumbotron_ip4 # jumbotron webhook - } - - chain prerouting { - type nat hook prerouting priority -150; - goto portforward - } - - chain output { - type nat hook output priority -150; - goto portforward - } - - chain input { - type nat hook input priority -150; - # this chain is needed to make dnat from the output chain work - } - - chain postrouting { - type nat hook postrouting priority -150; - oif $ext_if ip saddr $free_net4 snat $free_nat - oif $ext_if ip saddr $int_net4 snat $ext_ip4 - } -} - -table ip6 nat { - chain portforward { - ip6 daddr $ext_ip6 tcp dport 17380 dnat $jumbotron_ip6 # jumbotron webhook - } - - chain prerouting { - type nat hook prerouting priority -150; - goto portforward - } - - chain output { - type nat hook output priority -150; - goto portforward - } - - #chain input { - # type nat hook input priority -150; - # # this chain is needed to make dnat from the output chain work - #} - - #chain postrouting { - # type nat hook postrouting priority -150; - #} -} - -table ip raw { - chain prerouting { - type filter hook prerouting priority -300; policy accept - - iif lo accept - - # always do connection tracking for local IP's - ip saddr $local_ip4 accept - ip daddr $local_ip4 accept - - # avoid connection tracking for most Tor traffic - ip saddr $tor_net4 ip daddr != $local_net4 notrack - ip daddr $tor_net4 ip saddr != $local_net4 notrack - } -} - -table ip6 raw { - chain prerouting { - type filter hook prerouting priority -300; policy accept - - iif lo accept - - # always do connection tracking for local IP's - ip6 saddr $local_ip6 accept - ip6 daddr $local_ip6 accept - - # avoid connection tracking for most Tor traffic - ip6 saddr $tor_net6 ip6 daddr != $local_net6 notrack - ip6 daddr $tor_net6 ip6 saddr != $local_net6 notrack - } -} |