Skip to content

Instantly share code, notes, and snippets.

@paigeadelethompson

paigeadelethompson/gist:00a8d11197be6e2fdf6c7468c8649383

Created May 27, 2023 01:49
Show Gist options
  • Save paigeadelethompson/00a8d11197be6e2fdf6c7468c8649383 to your computer and use it in GitHub Desktop.
Save paigeadelethompson/00a8d11197be6e2fdf6c7468c8649383 to your computer and use it in GitHub Desktop.
Download ZIP
nftables-may-26-2023
Raw
gistfile1.txt
table inet filter { # handle 43
limit udp_in_log_lim { # handle 33
rate 1024/minute
}
limit udp_fwd_log_lim { # handle 34
rate 1024/minute
}
limit udp_out_log_lim { # handle 35
rate 1024/minute
}
limit tcp_in_log_lim { # handle 36
rate 1024/minute
}
limit tcp_fwd_log_lim { # handle 37
rate 1024/minute
}
limit tcp_out_log_lim { # handle 38
rate 1024/minute
}
limit igmp_in_log_lim { # handle 39
rate 1024/minute
}
limit igmp_out_log_lim { # handle 40
rate 1024/minute
}
limit icmp_in_log_lim { # handle 41
rate 1024/minute
}
limit icmp_out_log_lim { # handle 42
rate 1024/minute
}
map igmp_in4 { # handle 43
typeof ip saddr . ip daddr . igmp type : verdict
flags interval
elements = { 169.254.0.0/16 . 224.0.0.0/4 . membership-query : accept,
10.0.0.0/8 . 224.0.0.0/4 . membership-query : accept,
172.16.0.0/12 . 224.0.0.0/4 . membership-query : accept,
192.168.0.0/16 . 224.0.0.0/4 . membership-query : accept,
169.254.0.0/16 . 224.0.0.0/4 . membership-report-v2 : accept,
10.0.0.0/8 . 224.0.0.0/4 . membership-report-v2 : accept,
172.16.0.0/12 . 224.0.0.0/4 . membership-report-v2 : accept,
192.168.0.0/16 . 224.0.0.0/4 . membership-report-v2 : accept }
}
map igmp_out4 { # handle 44
typeof ip saddr . ip daddr . igmp type : verdict
flags interval
elements = { 169.254.0.0/16 . 224.0.0.0/4 . membership-report-v2 : accept,
10.0.0.0/8 . 224.0.0.0/4 . membership-report-v2 : accept,
172.16.0.0/12 . 224.0.0.0/4 . membership-report-v2 : accept,
192.168.0.0/16 . 224.0.0.0/4 . membership-report-v2 : accept }
}
map udp_broadcast_out { # handle 45
type ipv4_addr . ipv4_addr . inet_service : verdict
flags interval
elements = { 169.254.0.0/16 . 169.254.0.0/16 . 138 : accept,
10.0.0.0/8 . 10.0.0.0/8 . 138 : accept,
192.168.0.0/16 . 192.168.0.0/16 . 138 : accept,
172.16.0.0/12 . 172.16.0.0/12 . 138 : accept }
}
map udp_broadcast_in { # handle 46
type ipv4_addr . ipv4_addr . inet_service : verdict
flags interval
elements = { 169.254.0.0/16 . 240.0.0.0/4 . 1900 : accept,
0.0.0.0/8 . 240.0.0.0/4 . 67 : accept,
10.0.0.0/8 . 240.0.0.0/4 . 1900 : accept,
192.168.0.0/16 . 240.0.0.0/4 . 1900 : accept,
172.16.0.0/12 . 240.0.0.0/4 . 1900 : accept,
169.254.0.0/16 . 169.254.0.0/16 . 137 : accept,
10.0.0.0/8 . 10.0.0.0/8 . 137 : accept,
192.168.0.0/16 . 192.168.0.0/16 . 137 : accept,
172.16.0.0/12 . 172.16.0.0/12 . 137 : accept,
169.254.0.0/16 . 169.254.0.0/16 . 138 : accept,
10.0.0.0/8 . 10.0.0.0/8 . 138 : accept,
192.168.0.0/16 . 192.168.0.0/16 . 138 : accept,
172.16.0.0/12 . 172.16.0.0/12 . 138 : accept }
}
map udp_multicast_out4 { # handle 47
type ipv4_addr . ipv4_addr . inet_service : verdict
flags interval
elements = { 192.168.0.0/16 . 224.0.0.0/4 . 5353 : accept,
10.0.0.0/8 . 224.0.0.0/4 . 5353 : accept,
172.16.0.0/12 . 224.0.0.0/4 . 5353 : accept }
}
map udp_multicast_in4 { # handle 48
type ipv4_addr . ipv4_addr . inet_service : verdict
flags interval
elements = { 169.254.0.0/16 . 224.0.0.0/4 . 5353 : accept,
192.168.0.0/16 . 224.0.0.0/4 . 5353 : accept,
10.0.0.0/8 . 224.0.0.0/4 . 5353 : accept,
172.16.0.0/12 . 224.0.0.0/4 . 5353 : accept,
192.168.0.0/16 . 224.0.0.0/4 . 1900 : accept,
10.0.0.0/8 . 224.0.0.0/4 . 1900 : accept,
172.16.0.0/12 . 224.0.0.0/4 . 1900 : accept,
192.168.0.0/16 . 224.0.0.0/4 . 1902 : accept,
10.0.0.0/8 . 224.0.0.0/4 . 1902 : accept,
172.16.0.0/12 . 224.0.0.0/4 . 1902 : accept,
192.168.0.0/16 . 240.0.0.0/4 . 1900 : accept,
10.0.0.0/8 . 240.0.0.0/4 . 1900 : accept,
172.16.0.0/12 . 240.0.0.0/4 . 1900 : accept }
}
map udp_multicast_out6 { # handle 49
type ipv6_addr . ipv6_addr . inet_service : verdict
flags interval
elements = { fe80::/10 . ff00::/8 . 5353 : accept,
fc00::/7 . ff00::/8 . 5353 : accept }
}
map udp_multicast_in6 { # handle 50
type ipv6_addr . ipv6_addr . inet_service : verdict
flags interval
elements = { fe80::/10 . ff00::/8 . 5353 : accept,
fc00::/7 . ff00::/8 . 5353 : accept }
}
map drop_hosts4 { # handle 51
type ipv4_addr : verdict
flags interval
}
map drop_hosts6 { # handle 52
type ipv6_addr : verdict
flags interval
}
set icmp_egress_meter4 { # handle 53
type ipv4_addr
size 8
flags dynamic,timeout
}
set icmp_egress_meter6 { # handle 54
type ipv6_addr
size 8
flags dynamic,timeout
}
map drop_bogons4 { # handle 55
type ipv4_addr : verdict
flags interval
elements = { 0.0.0.0/8 : continue, 10.0.0.0/8 : continue,
100.64.0.0/17 : continue, 100.64.128.0/17 : jump bogon,
100.65.0.0/16 : jump bogon, 100.66.0.0/15 : jump bogon,
100.68.0.0/15 : jump bogon, 100.70.0.0/15 : jump bogon,
100.72.0.0/15 : jump bogon, 100.74.0.0/15 : jump bogon,
100.76.0.0/15 : jump bogon, 100.78.0.0/15 : jump bogon,
100.80.0.0/15 : jump bogon, 100.82.0.0/15 : jump bogon,
100.84.0.0/15 : jump bogon, 100.86.0.0/15 : jump bogon,
100.88.0.0/15 : jump bogon, 100.90.0.0/15 : jump bogon,
100.92.0.0/15 : jump bogon, 100.94.0.0/15 : jump bogon,
100.96.0.0/11 : jump bogon, 127.0.0.0/8 : jump bogon,
169.254.0.0/16 : continue, 172.16.0.0/12 : continue,
192.0.0.0/24 : jump bogon, 192.0.2.0/24 : jump bogon,
192.168.0.0/16 : continue, 198.18.0.0/15 : jump bogon,
198.51.100.0/24 : jump bogon, 203.0.113.0/24 : jump bogon,
224.0.0.0/4 : continue, 240.0.0.0/4 : continue }
}
set local_networks { # handle 56
type ipv4_addr
flags interval
elements = { 10.0.0.0/8, 100.64.0.0/17,
169.254.0.0/16, 172.16.0.0/12,
192.168.0.0/16 }
}
map drop_bogons6 { # handle 57
type ipv6_addr : verdict
flags interval
elements = { ::/96 : jump bogon,
::ffff:0.0.0.0/96 : jump bogon,
100::/64 : jump bogon,
2001::/40 : jump bogon,
2001:0:a00::/40 : jump bogon,
2001:0:7f00::/40 : jump bogon,
2001:0:a9fe::/48 : jump bogon,
2001:0:ac10::/44 : jump bogon,
2001:0:c000::/56 : jump bogon,
2001:0:c000:200::/56 : jump bogon,
2001:0:c0a8::/48 : jump bogon,
2001:0:c612::/47 : jump bogon,
2001:0:c633:6400::/56 : jump bogon,
2001:0:cb00:7100::/56 : jump bogon,
2001:0:e000::/36 : jump bogon,
2001:0:f000::/36 : jump bogon,
2001:10::/28 : jump bogon,
2001:db8::/32 : jump bogon,
2002::/24 : jump bogon,
2002:a00::/24 : jump bogon,
2002:7f00::/24 : jump bogon,
2002:a9fe::/32 : jump bogon,
2002:ac10::/28 : jump bogon,
2002:c000::/40 : jump bogon,
2002:c000:200::/40 : jump bogon,
2002:c0a8::/32 : jump bogon,
2002:c612::/31 : jump bogon,
2002:c633:6400::/40 : jump bogon,
2002:cb00:7100::/40 : jump bogon,
2002:e000::/20 : jump bogon,
2002:f000::/20 : jump bogon,
fc00::/7 : continue,
fe80::/10 : continue,
fec0::/10 : jump bogon,
ff00::/8 : continue }
}
map reject_or_drop_port4 { # handle 58
type ipv4_addr . ipv4_addr : verdict
flags interval
elements = { 10.0.0.0/8 . 10.0.0.0/8 : jump reject_with_icmp_port_unreachable,
172.16.0.0/12 . 172.16.0.0/12 : jump reject_with_icmp_port_unreachable,
192.168.0.0/16 . 192.168.0.0/16 : jump reject_with_icmp_port_unreachable,
169.254.0.0/16 . 169.254.0.0/16 : jump reject_with_icmp_port_unreachable,
0.0.0.0/0 . 0.0.0.0/0 : jump reject_with_icmp_port_unreachable_metered }
}
map reject_or_drop_port6 { # handle 59
type ipv6_addr . ipv6_addr : verdict
flags interval
elements = { fe80::/10 . fe80::/10 : jump reject_with_icmp_port_unreachable,
fc00::/7 . fc00::/7 : jump reject_with_icmp_port_unreachable,
::/0 . ::/0 : jump reject_with_icmp_port_unreachable_metered }
}
map icmp_types_in4 { # handle 60
typeof ip saddr . ip daddr . icmp type : verdict
flags interval
elements = { 0.0.0.0/0 . 0.0.0.0/0 . echo-request : accept,
0.0.0.0/0 . 0.0.0.0/0 . echo-reply : accept,
0.0.0.0/0 . 0.0.0.0/0 . destination-unreachable : accept }
}
map icmp_types_in6 { # handle 61
typeof ip6 saddr . ip6 daddr . icmpv6 type : verdict
flags interval
elements = { fe80::/10 . fe80::/10 . echo-request : accept,
fe80::/10 . ff00::/8 . echo-request : accept,
fc00::/7 . fc00::/7 . echo-request : accept,
fe80::/10 . fe80::/10 . echo-reply : accept,
fe80::/10 . ff00::/8 . echo-reply : accept,
fc00::/7 . fc00::/7 . echo-reply : accept,
fe80::/10 . fe80::/10 . nd-neighbor-solicit : accept,
fc00::/7 . ff00::/8 . nd-neighbor-solicit : accept,
fc00::/7 . fc00::/7 . nd-neighbor-solicit : accept,
fe80::/10 . ff00::/8 . nd-neighbor-solicit : accept,
fc00::/7 . fc00::/7 . nd-neighbor-advert : accept,
fe80::/10 . fe80::/10 . nd-neighbor-advert : accept,
fe80::/10 . ff00::/8 . nd-router-advert : accept,
fe80::/10 . fe80::/10 . nd-router-advert : accept }
}
map tcp_unicast_in4 { # handle 62
type ipv4_addr . ipv4_addr . inet_service : verdict
flags interval
elements = { 0.0.0.0/0 . 0.0.0.0/0 . 22 : accept,
0.0.0.0/0 . 0.0.0.0/0 . 25565 : accept }
}
map tcp_unicast_in6 { # handle 63
type ipv6_addr . ipv6_addr . inet_service : verdict
flags interval
elements = { ::/0 . ::/0 . 22 : accept }
}
map udp_unicast_in4 { # handle 64
type ipv4_addr . ipv4_addr . inet_service : verdict
flags interval
elements = { 169.254.0.0/16 . 169.254.0.0/16 . 68 : accept,
10.0.0.0/8 . 10.0.0.0/8 . 68 : accept,
172.16.0.0/12 . 172.16.0.0/12 . 68 : accept,
192.168.0.0/16 . 192.168.0.0/16 . 68 : accept,
169.254.0.0/16 . 169.254.0.0/16 . 137 : accept,
10.0.0.0/8 . 10.0.0.0/8 . 137 : accept,
172.16.0.0/12 . 172.16.0.0/12 . 137 : accept,
192.168.0.0/16 . 192.168.0.0/16 . 137 : accept }
}
map udp_unicast_in6 { # handle 65
type ipv6_addr . ipv6_addr . inet_service : verdict
flags interval
elements = { fe80::/10 . ff00::/8 . 546 : accept }
}
map default_forward4 { # handle 66
typeof ip saddr . ip daddr . ct state : verdict
flags interval
elements = { 169.254.0.0/16 . 0.0.0.0/0 . new : jump wont_forward,
0.0.0.0/0 . 169.254.0.0/16 . new : jump wont_forward,
10.0.0.0/8 . 172.16.0.0/12 . new : jump reject_with_icmp_no_route,
10.0.0.0/8 . 192.168.0.0/16 . new : jump reject_with_icmp_no_route,
172.16.0.0/12 . 10.0.0.0/8 . new : jump reject_with_icmp_no_route,
172.16.0.0/12 . 192.168.0.0/16 . new : jump reject_with_icmp_no_route,
192.168.0.0/16 . 10.0.0.0/8 . new : jump reject_with_icmp_no_route,
192.168.0.0/16 . 172.16.0.0/12 . new : jump reject_with_icmp_no_route,
10.0.0.0/8 . 10.0.0.0/8 . new : continue,
10.0.0.0/8 . 10.0.0.0/8 . established : accept,
172.16.0.0/12 . 172.16.0.0/12 . new : continue,
172.16.0.0/12 . 172.16.0.0/12 . established : accept,
192.168.0.0/16 . 192.168.0.0/16 . new : continue,
192.168.0.0/16 . 192.168.0.0/16 . established : accept,
10.0.0.0/8 . 0.0.0.0/0 . new : continue,
172.16.0.0/12 . 0.0.0.0/0 . new : continue,
192.168.0.0/16 . 0.0.0.0/0 . new : continue,
0.0.0.0/0 . 10.0.0.0/8 . established : accept,
0.0.0.0/0 . 172.16.0.0/12 . established : accept,
0.0.0.0/0 . 192.168.0.0/16 . established : accept,
100.64.0.0/20 . 0.0.0.0/0 . new : jump reject_with_icmp_no_route,
100.64.16.0/20 . 100.64.32.0/20 . new : continue,
100.64.32.0/20 . 100.64.16.0/20 . established : accept,
100.64.48.0/20 . 100.64.0.0/17 . new : continue,
100.64.80.0/20 . 100.64.0.0/17 . new : continue,
100.64.48.0/20 . 0.0.0.0/0 . new : continue,
100.64.80.0/20 . 0.0.0.0/0 . new : continue,
100.64.48.0/20 . 0.0.0.0/0 . established : accept,
100.64.80.0/20 . 0.0.0.0/0 . established : accept,
0.0.0.0/0 . 100.64.48.0/20 . established : accept,
0.0.0.0/0 . 100.64.80.0/20 . established : accept,
100.64.64.0/20 . 100.64.64.0/20 . new : continue,
100.64.96.0/20 . 100.64.96.0/20 . new : continue,
100.64.64.0/20 . 100.64.64.0/20 . established : accept,
100.64.96.0/20 . 100.64.96.0/20 . established : accept }
}
map default_forward6 { # handle 67
typeof ip6 saddr . ip6 daddr . ct state : verdict
flags interval
elements = { fe80::/10 . ::/0 . new : jump wont_forward,
::/0 . fe80::/10 . new : jump wont_forward,
fc00::/7 . fc00::/7 . new : continue,
fc00::/7 . fc00::/7 . established : accept }
}
map icmp_types_out4 { # handle 68
typeof ip saddr . ip daddr . icmp type : verdict
flags interval
elements = { 10.0.0.0/8 . 0.0.0.0/0 . echo-request : accept,
185.193.127.59 . 0.0.0.0/0 . echo-request : accept,
172.16.0.0/12 . 0.0.0.0/0 . echo-request : accept,
192.168.0.0/16 . 0.0.0.0/0 . echo-request : accept,
10.0.0.0/8 . 10.0.0.0/8 . echo-reply : accept,
172.16.0.0/12 . 172.16.0.0/12 . echo-reply : accept,
192.168.0.0/16 . 192.168.0.0/16 . echo-reply : accept,
10.0.0.0/8 . 10.0.0.0/8 . destination-unreachable : accept,
172.16.0.0/12 . 172.16.0.0/12 . destination-unreachable : accept,
192.168.0.0/16 . 192.168.0.0/16 . destination-unreachable : accept,
0.0.0.0/0 . 0.0.0.0/0 . echo-reply : jump icmp_echo_reply_rate_limit,
100.64.0.0/17 . 100.64.0.0/17 . destination-unreachable : accept }
}
map icmp_types_out6 { # handle 69
typeof ip6 saddr . ip6 daddr . icmpv6 type : verdict
flags interval
elements = { fe80::/10 . ff00::/8 . echo-request : accept,
fc00::/7 . fc00::/7 . echo-reply : accept,
2000::/3 . ::/0 . echo-request : accept,
2000::/3 . ::/0 . echo-reply : jump icmp_echo_reply_rate_limit,
fc00::/7 . fc00::/7 . nd-neighbor-advert : accept,
fe80::/10 . fe80::/10 . nd-neighbor-advert : accept,
fc00::/7 . ff00::/8 . nd-neighbor-solicit : accept,
2000::/3 . ff00::/8 . nd-neighbor-solicit : accept,
fe80::/10 . fc00::/7 . nd-neighbor-solicit : accept,
fe80::/10 . fe80::/10 . nd-neighbor-solicit : accept,
fe80::/10 . ff00::/8 . nd-router-solicit : accept }
}
map tcp_unicast_out4 { # handle 70
type ipv4_addr . ipv4_addr . inet_service : verdict
flags interval
elements = { 10.0.0.0/8 . 0.0.0.0/0 . 22 : accept,
172.16.0.0/12 . 0.0.0.0/0 . 22 : accept,
192.168.0.0/16 . 0.0.0.0/0 . 22 : accept,
10.0.0.0/8 . 0.0.0.0/0 . 443 : accept,
172.16.0.0/12 . 0.0.0.0/0 . 443 : accept,
192.168.0.0/16 . 0.0.0.0/0 . 443 : accept,
10.0.0.0/8 . 0.0.0.0/0 . 80 : accept,
172.16.0.0/12 . 0.0.0.0/0 . 80 : accept,
192.168.0.0/16 . 0.0.0.0/0 . 80 : accept,
10.0.0.0/8 . 0.0.0.0/0 . 853 : accept,
172.16.0.0/12 . 0.0.0.0/0 . 853 : accept,
192.168.0.0/16 . 0.0.0.0/0 . 853 : accept,
10.0.0.0/8 . 0.0.0.0/0 . 4460 : accept,
172.16.0.0/12 . 0.0.0.0/0 . 4460 : accept,
192.168.0.0/16 . 0.0.0.0/0 . 4460 : accept,
10.0.0.0/8 . 0.0.0.0/0 . 5349 : accept,
172.16.0.0/12 . 0.0.0.0/0 . 5349 : accept,
192.168.0.0/16 . 0.0.0.0/0 . 5349 : accept,
0.0.0.0/0 . 0.0.0.0/0 . 25565 : accept }
}
map tcp_unicast_out6 { # handle 71
type ipv6_addr . ipv6_addr . inet_service : verdict
flags interval
elements = { fc00::/7 . fc00::/7 . 443 : accept,
fc00::/7 . fc00::/7 . 853 : accept,
fc00::/7 . fc00::/7 . 4460 : accept,
fc00::/7 . fc00::/7 . 5349 : accept,
2000::/3 . 2000::/3 . 443 : accept,
2000::/3 . 2000::/3 . 853 : accept,
2000::/3 . 2000::/3 . 4460 : accept,
2000::/3 . 2000::/3 . 5349 : accept }
}
map udp_unicast_out4 { # handle 72
type ipv4_addr . ipv4_addr . inet_service : verdict
flags interval
elements = { 10.0.0.0/8 . 10.0.0.0/8 . 67 : accept,
172.16.0.0/12 . 172.16.0.0/12 . 67 : accept,
192.168.0.0/16 . 192.168.0.0/16 . 67 : accept,
169.254.0.0/16 . 169.254.0.0/16 . 67 : accept,
10.0.0.0/8 . 10.0.0.0/8 . 53 : accept,
172.16.0.0/12 . 172.16.0.0/12 . 53 : accept,
192.168.0.0/16 . 192.168.0.0/16 . 53 : accept,
10.0.0.0/8 . 0.0.0.0/0 . 443 : accept,
172.16.0.0/12 . 0.0.0.0/0 . 443 : accept,
192.168.0.0/16 . 0.0.0.0/0 . 443 : accept,
10.0.0.0/8 . 0.0.0.0/0 . 1194 : accept,
172.16.0.0/12 . 0.0.0.0/0 . 1194 : accept,
192.168.0.0/16 . 0.0.0.0/0 . 1194 : accept,
0.0.0.0/0 . 162.159.200.1 . 123 : accept,
0.0.0.0/0 . 162.159.200.123 . 123 : accept,
10.0.0.0/8 . 10.0.0.0/8 . 123 : accept,
192.168.0.0/16 . 192.168.0.0/16 . 123 : accept,
172.16.0.0/12 . 172.16.0.0/12 . 123 : accept,
169.254.0.0/16 . 169.254.0.0/16 . 5353 : accept,
169.254.0.0/16 . 224.0.0.0/4 . 5353 : accept,
10.0.0.0/8 . 224.0.0.0/4 . 5353 : accept,
192.168.0.0/16 . 224.0.0.0/4 . 5353 : accept,
172.16.0.0/12 . 224.0.0.0/4 . 5353 : accept,
169.254.0.0/16 . 169.254.0.0/16 . 137 : accept,
10.0.0.0/8 . 10.0.0.0/8 . 138 : accept,
192.168.0.0/16 . 192.168.0.0/16 . 137 : accept,
172.16.0.0/12 . 172.16.0.0/12 . 137 : accept,
169.254.0.0/16 . 169.254.0.0/16 . 138 : accept,
192.168.0.0/16 . 192.168.0.0/16 . 138 : accept,
172.16.0.0/12 . 172.16.0.0/12 . 138 : accept }
}
map udp_unicast_out6 { # handle 73
type ipv6_addr . ipv6_addr . inet_service : verdict
flags interval
elements = { fe80::/10 . ff00::/8 . 547 : accept,
2000::/3 . ::/0 . 443 : accept,
fe80::/10 . ff00::/8 . 5353 : accept,
fc00::/7 . ff00::/8 . 5353 : accept }
}
map icmp_types_forward4 { # handle 74
typeof ip saddr . ip daddr . icmp type : verdict
flags interval
elements = { 10.0.0.0/8 . 0.0.0.0/0 . echo-request : accept,
172.16.0.0/12 . 0.0.0.0/0 . echo-request : accept,
192.168.0.0/16 . 0.0.0.0/0 . echo-request : accept,
10.0.0.0/8 . 10.0.0.0/8 . echo-reply : accept,
172.16.0.0/12 . 172.16.0.0/12 . echo-reply : accept,
192.168.0.0/16 . 192.168.0.0/16 . echo-reply : accept,
10.0.0.0/8 . 10.0.0.0/8 . destination-unreachable : accept,
172.16.0.0/12 . 172.16.0.0/12 . destination-unreachable : accept,
192.168.0.0/16 . 192.168.0.0/16 . destination-unreachable : accept,
0.0.0.0/0 . 0.0.0.0/0 . echo-reply : jump icmp_echo_reply_rate_limit,
100.64.80.0/20 . 100.64.0.0/17 . echo-request : jump reject_with_icmp_admin_prohibited,
100.64.80.0/20 . 0.0.0.0/0 . echo-request : accept,
100.64.48.0/20 . 100.64.0.0/17 . echo-request : jump reject_with_icmp_admin_prohibited,
100.64.48.0/20 . 0.0.0.0/0 . echo-request : accept }
}
map icmp_types_forward6 { # handle 75
typeof ip6 saddr . ip6 daddr . icmpv6 type : verdict
flags interval
elements = { fe80::/10 . ff00::/8 . echo-request : accept,
fc00::/7 . fc00::/7 . echo-reply : accept,
2000::/3 . ::/0 . echo-reply : jump icmp_echo_reply_rate_limit }
}
map forward_all4 { # handle 76
type ipv4_addr . ipv4_addr : verdict
flags interval
elements = { 100.64.80.0/20 . 0.0.0.0/0 : accept,
0.0.0.0/0 . 100.64.80.0/20 : accept }
}
map forward_all6 { # handle 77
type ipv6_addr . ipv6_addr : verdict
flags interval
}
map tcp_ports_redirect4 { # handle 78
type ipv4_addr . ipv4_addr . inet_service : verdict
flags interval
elements = { 10.0.0.0/8 . 10.0.0.0/8 . 53 : accept,
172.16.0.0/12 . 172.16.0.0/12 . 53 : accept,
192.168.0.0/16 . 192.168.0.0/16 . 53 : accept,
10.0.0.0/8 . 10.0.0.0/8 . 80 : accept,
172.16.0.0/12 . 172.16.0.0/12 . 80 : accept,
192.168.0.0/16 . 192.168.0.0/16 . 80 : accept,
10.0.0.0/8 . 0.0.0.0/0 . 22 : accept,
172.16.0.0/12 . 0.0.0.0/0 . 22 : accept,
192.168.0.0/16 . 0.0.0.0/0 . 22 : accept,
10.0.0.0/8 . 0.0.0.0/0 . 443 : accept,
172.16.0.0/12 . 0.0.0.0/0 . 443 : accept,
192.168.0.0/16 . 0.0.0.0/0 . 443 : accept,
10.0.0.0/8 . 0.0.0.0/0 . 853 : accept,
172.16.0.0/12 . 0.0.0.0/0 . 853 : accept,
192.168.0.0/16 . 0.0.0.0/0 . 853 : accept,
10.0.0.0/8 . 0.0.0.0/0 . 4460 : accept,
172.16.0.0/12 . 0.0.0.0/0 . 4460 : accept,
192.168.0.0/16 . 0.0.0.0/0 . 4460 : accept,
10.0.0.0/8 . 0.0.0.0/0 . 5349 : accept,
172.16.0.0/12 . 0.0.0.0/0 . 5349 : accept,
192.168.0.0/16 . 0.0.0.0/0 . 5349 : accept,
100.64.80.0/20 . 100.64.0.0/17 . 80 : jump reject_with_icmp_admin_prohibited,
100.64.80.0/20 . 0.0.0.0/0 . 80 : accept,
100.64.80.0/20 . 100.64.0.0/17 . 443 : jump reject_with_icmp_admin_prohibited,
100.64.80.0/20 . 0.0.0.0/0 . 443 : accept,
100.64.48.0/20 . 100.64.0.0/17 . 443 : jump reject_with_icmp_admin_prohibited,
100.64.48.0/20 . 0.0.0.0/0 . 443 : accept }
}
set unrestrict_user { # handle 79
typeof meta skuid
flags interval
}
map tcp_ports_redirect6 { # handle 80
type ipv6_addr . ipv6_addr . inet_service : verdict
flags interval
elements = { fc00::/7 . fc00::/7 . 80 : accept,
fc00::/7 . fc00::/7 . 443 : accept,
fc00::/7 . fc00::/7 . 853 : accept,
fc00::/7 . fc00::/7 . 4460 : accept,
fc00::/7 . fc00::/7 . 5349 : accept,
2000::/3 . 2000::/3 . 443 : accept,
2000::/3 . 2000::/3 . 853 : accept,
2000::/3 . 2000::/3 . 4460 : accept,
2000::/3 . 2000::/3 . 5349 : accept }
}
map udp_ports_forward4 { # handle 81
type ipv4_addr . ipv4_addr . inet_service : verdict
flags interval
elements = { 10.0.0.0/8 . 10.0.0.0/8 . 53 : accept,
172.16.0.0/12 . 172.16.0.0/12 . 53 : accept,
192.168.0.0/16 . 192.168.0.0/16 . 53 : accept,
10.0.0.0/8 . 0.0.0.0/0 . 443 : accept,
172.16.0.0/12 . 0.0.0.0/0 . 443 : accept,
192.168.0.0/16 . 0.0.0.0/0 . 443 : accept }
}
map udp_ports_forward6 { # handle 82
type ipv6_addr . ipv6_addr . inet_service : verdict
flags interval
elements = { 2000::/3 . ::/0 . 443 : accept }
}
map tcp_ports_nat_forward4 { # handle 83
type inet_service : ipv4_addr
elements = { 25565 : 100.64.80.2 }
}
map udp_ports_nat_forward4 { # handle 84
type inet_service : ipv4_addr
}
map masquerade_networks4 { # handle 85
type iface_index . ipv4_addr : verdict
flags interval
elements = { "wlp114s0" . 100.64.80.0/20 : jump masq }
}
chain input { # handle 1
type filter hook input priority filter; policy drop;
meta iiftype vmap { loopback : accept } # handle 87
ip saddr vmap @drop_bogons4 # handle 88
ip daddr vmap @drop_bogons4 # handle 89
ip6 saddr vmap @drop_bogons6 # handle 90
ip6 daddr vmap @drop_bogons6 # handle 91
ip saddr vmap @drop_hosts4 # handle 92
meta iiftype vmap { ether : jump ether_in } # handle 94
log prefix "input" group 1 # handle 95
counter # handle 96
}
chain forward { # handle 2
type filter hook forward priority filter; policy drop;
ip saddr vmap @drop_bogons4 # handle 97
ip daddr vmap @drop_bogons4 # handle 98
ip6 saddr vmap @drop_bogons6 # handle 99
ip6 daddr vmap @drop_bogons6 # handle 100
ip daddr vmap @drop_hosts4 # handle 101
meta oiftype vmap { ether : jump ether_forward } # handle 103
log prefix "forward" group 1 # handle 104
counter # handle 105
}
chain output { # handle 3
type filter hook output priority filter; policy drop;
meta oiftype vmap { loopback : accept } # handle 107
ip saddr vmap @drop_bogons4 # handle 108
ip daddr vmap @drop_bogons4 # handle 109
ip6 saddr vmap @drop_bogons6 # handle 110
ip6 daddr vmap @drop_bogons6 # handle 111
ip daddr vmap @drop_hosts4 # handle 112
meta oiftype vmap { ether : jump ether_out } # handle 114
log prefix "output" group 1 # handle 115
counter # handle 116
}
chain prerouting { # handle 4
type nat hook prerouting priority 100; policy accept;
ip saddr @local_networks return # handle 117
ip protocol tcp dnat ip to tcp dport map @tcp_ports_nat_forward4 # handle 118
ip protocol udp dnat ip to udp dport map @udp_ports_nat_forward4 # handle 119
}
chain postrouting { # handle 5
type nat hook postrouting priority srcnat; policy accept;
oif . ip saddr vmap @masquerade_networks4 # handle 120
}
chain masq { # handle 6
ip daddr vmap @drop_bogons4 # handle 121
ip daddr @local_networks return # handle 122
counter masquerade # handle 123
}
chain ether_in { # handle 7
ip protocol vmap { icmp : jump icmp_in, igmp : jump igmp_in, tcp : jump tcp_in, udp : jump udp_in } # handle 125
ip6 nexthdr vmap { tcp : jump tcp_in, udp : jump udp_in, ipv6-icmp : jump icmp_in } # handle 127
log prefix "ether_in" group 1 # handle 128
counter drop # handle 129
}
chain ether_out { # handle 8
ip protocol vmap { icmp : jump icmp_out, igmp : jump igmp_out, tcp : jump tcp_out, udp : jump udp_out } # handle 131
ip6 nexthdr vmap { tcp : jump tcp_out, udp : jump udp_out, ipv6-icmp : jump icmp_out } # handle 133
log prefix "ether_out" group 1 # handle 134
counter drop # handle 135
}
chain ether_forward { # handle 9
ip saddr . ip daddr . ct state vmap @default_forward4 # handle 136
ip6 saddr . ip6 daddr . ct state vmap @default_forward6 # handle 137
ip protocol vmap { icmp : jump icmp_forward, tcp : jump tcp_forward, udp : jump udp_forward } # handle 139
log prefix "ether_forward" group 1 # handle 140
counter drop # handle 141
}
chain igmp_in { # handle 10
meta pkttype multicast ip saddr . ip daddr . igmp type vmap @igmp_in4 # handle 142
limit name "igmp_in_log_lim" log prefix "igmp_in" group 1 # handle 143
counter drop # handle 144
}
chain igmp_out { # handle 11
ip saddr . ip daddr . igmp type vmap @igmp_out4 # handle 145
limit name "igmp_out_log_lim" log prefix "igmp_out" group 1 # handle 146
counter drop # handle 147
}
chain icmp_in { # handle 12
ip saddr . ip daddr . icmp type vmap @icmp_types_in4 # handle 148
ip6 saddr . ip6 daddr . icmpv6 type vmap @icmp_types_in6 # handle 149
log prefix "icmp_in" group 1 # handle 150
counter drop # handle 151
}
chain icmp_out { # handle 13
ip saddr . ip daddr . icmp type vmap @icmp_types_out4 # handle 152
ip6 saddr . ip6 daddr . icmpv6 type vmap @icmp_types_out6 # handle 153
log prefix "icmp_out" group 1 # handle 154
counter drop # handle 155
}
chain icmp_forward { # handle 14
ip saddr . ip daddr . icmp type vmap @icmp_types_forward4 # handle 156
ip6 saddr . ip6 daddr . icmpv6 type vmap @icmp_types_forward6 # handle 157
log prefix "icmp_forward" group 1 # handle 158
counter drop # handle 159
}
chain icmp_echo_reply_rate_limit { # handle 15
add @icmp_egress_meter4 { ip saddr timeout 4s limit rate 3/second } accept # handle 160
add @icmp_egress_meter6 { ip6 saddr timeout 4s limit rate 3/second } accept # handle 161
log prefix "icmp_echo_reply_rate_limit" group 1 # handle 162
counter drop # handle 163
}
chain reject_with_icmp_port_unreachable_metered { # handle 16
add @icmp_egress_meter4 { ip daddr timeout 4s limit rate 3/second } counter reject with icmp port-unreachable # handle 164
add @icmp_egress_meter6 { ip6 daddr timeout 4s limit rate 3/second } counter reject with icmpv6 port-unreachable # handle 165
log prefix "reject_with_icmp_port_unreachable_metered" group 1 # handle 166
counter drop # handle 167
}
chain reject_with_icmp_port_unreachable { # handle 17
counter reject # handle 168
}
chain reject_with_icmp_host_unreachable_metered { # handle 18
add @icmp_egress_meter4 { ip daddr timeout 4s limit rate 3/second } counter reject with icmpx host-unreachable # handle 169
add @icmp_egress_meter6 { ip6 daddr timeout 4s limit rate 3/second } counter reject with icmpx host-unreachable # handle 170
log prefix "reject_with_icmp_host_unreachable_metered" group 1 # handle 171
counter drop # handle 172
}
chain reject_with_icmp_host_unreachable { # handle 19
counter reject with icmpx host-unreachable # handle 173
}
chain reject_with_icmp_no_route_metered { # handle 20
add @icmp_egress_meter4 { ip daddr timeout 4s limit rate 3/second } counter reject with icmpx no-route # handle 174
add @icmp_egress_meter6 { ip6 daddr timeout 4s limit rate 3/second } counter reject with icmpx no-route # handle 175
log prefix "reject_with_icmp_no_route_metered" group 1 # handle 176
counter drop # handle 177
}
chain reject_with_icmp_no_route { # handle 21
counter reject with icmpx no-route # handle 178
}
chain reject_with_icmp_admin_prohibited_metered { # handle 22
add @icmp_egress_meter6 { ip6 daddr timeout 4s limit rate 3/second } counter reject with icmpx admin-prohibited # handle 179
log prefix "reject_with_icmp_admin_prohibited_metered" group 1 # handle 180
counter drop # handle 181
}
chain reject_with_icmp_admin_prohibited { # handle 23
add @icmp_egress_meter4 { ip daddr timeout 4s limit rate 3/second } counter reject with icmpx admin-prohibited # handle 182
counter reject with icmpx admin-prohibited # handle 183
}
chain tcp_in { # handle 24
meta pkttype host ct state established accept # handle 184
meta pkttype host ip saddr . ip daddr . tcp dport vmap @tcp_unicast_in4 # handle 185
meta pkttype host ip6 saddr . ip6 daddr . tcp dport vmap @tcp_unicast_in6 # handle 186
limit name "tcp_in_log_lim" log prefix "tcp_in" group 1 # handle 187
counter drop # handle 188
}
chain tcp_out { # handle 25
meta pkttype host ct state established accept # handle 189
meta pkttype host ip saddr . ip daddr . tcp dport vmap @tcp_unicast_out4 # handle 190
meta pkttype host ip6 saddr . ip6 daddr . tcp dport vmap @tcp_unicast_out6 # handle 191
limit name "tcp_out_log_lim" log prefix "tcp_out" group 1 # handle 192
counter drop # handle 193
}
chain tcp_forward { # handle 26
meta pkttype host ct state established accept # handle 194
meta pkttype host ip saddr . ip daddr vmap @forward_all4 # handle 195
meta pkttype host ip6 saddr . ip6 daddr vmap @forward_all6 # handle 196
meta pkttype host ip saddr . ip daddr . tcp dport vmap @tcp_ports_redirect4 # handle 197
meta pkttype host ip6 saddr . ip6 daddr . tcp dport vmap @tcp_ports_redirect6 # handle 198
log prefix "tcp_forward" group 1 # handle 199
counter drop # handle 200
}
chain udp_in { # handle 27
ct state established accept # handle 201
meta pkttype broadcast ip saddr . ip daddr . udp dport vmap @udp_broadcast_in # handle 202
meta pkttype host ip saddr . ip daddr . udp dport vmap @udp_unicast_in4 # handle 203
meta pkttype host ip6 saddr . ip6 daddr . udp dport vmap @udp_unicast_in6 # handle 204
meta pkttype multicast ip saddr . ip daddr . udp dport vmap @udp_multicast_in4 # handle 205
meta pkttype multicast ip6 saddr . ip6 daddr . udp dport vmap @udp_multicast_in6 # handle 206
meta pkttype host limit name "udp_in_log_lim" log prefix "udp_unicast_in" group 1 # handle 207
meta pkttype broadcast limit name "udp_in_log_lim" log prefix "udp_broadcast_in" group 1 # handle 208
meta pkttype multicast limit name "udp_in_log_lim" log prefix "udp_multicast_in" group 1 # handle 209
counter drop # handle 210
}
chain udp_out { # handle 28
ct state established accept # handle 211
meta pkttype broadcast ip saddr . ip daddr . udp dport vmap @udp_broadcast_out # handle 212
meta pkttype multicast ip saddr . ip daddr . udp dport vmap @udp_multicast_out4 # handle 213
meta pkttype multicast ip6 saddr . ip6 daddr . udp dport vmap @udp_multicast_out6 # handle 214
meta pkttype host ip saddr . ip daddr . udp dport vmap @udp_unicast_out4 # handle 215
meta pkttype host ip6 saddr . ip6 daddr . udp dport vmap @udp_unicast_out6 # handle 216
meta pkttype host limit name "udp_out_log_lim" log prefix "udp_unicast_out" group 1 # handle 217
meta pkttype broadcast meta pkttype host limit name "udp_out_log_lim" log prefix "udp_broadcast_out" group 1 # handle 218
meta pkttype broadcast meta pkttype host limit name "udp_out_log_lim" log prefix "udp_multicast_out" group 1 # handle 219
counter drop # handle 220
}
chain udp_forward { # handle 29
meta pkttype host ct state established accept # handle 221
meta pkttype host ip saddr . ip daddr vmap @forward_all4 # handle 222
meta pkttype host ip6 saddr . ip6 daddr vmap @forward_all6 # handle 223
meta pkttype host ip saddr . ip daddr . udp dport vmap @udp_ports_forward4 # handle 224
meta pkttype host ip6 saddr . ip6 daddr . udp dport vmap @udp_ports_forward6 # handle 225
log prefix "udp_forward" group 1 # handle 226
counter drop # handle 227
}
chain bogon { # handle 30
log prefix "bogon" group 1 # handle 228
counter drop # handle 229
}
chain wont_forward { # handle 31
log prefix "wont_forward" group 1 # handle 230
counter drop # handle 231
}
chain dropped_host { # handle 32
log prefix "blocked" group 1 # handle 232
counter drop # handle 233
}
}
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment