set limit table-entries 400000 set optimization normal set limit states 393000 set limit src-nodes 393000 #System aliases loopback = "{ lo0 }" WAN = "{ ue0 }" LAN = "{ igb0 }" OpenVPN = "{ openvpn }" #SSH Lockout Table table persist #Snort tables table table table persist file "/etc/bogons" table persist file "/etc/bogonsv6" table { 192.168.200.0/24 } table { 192.168.200.0/24 } # User Aliases # Gateways GWWANGW = " route-to ( ue0 (STATIC_IP).109 ) " set loginterface igb0 set skip on pfsync0 scrub on $WAN all fragment reassemble scrub on $LAN all fragment reassemble no nat proto carp no rdr proto carp nat-anchor "natearly/*" nat-anchor "natrules/*" # Outbound NAT rules (automatic) # Subnets to NAT tonatsubnets = "{ 127.0.0.0/8 ::1/128 192.168.178.0/24 192.168.200.0/24 }" nat on $WAN inet from $tonatsubnets to any port 500 -> (STATIC_IP).110/32 static-port nat on $WAN inet6 from $tonatsubnets to any port 500 -> (ue0) static-port nat on $WAN inet from $tonatsubnets to any -> (STATIC_IP).110/32 port 1024:65535 nat on $WAN inet6 from $tonatsubnets to any -> (ue0) port 1024:65535 # Load balancing anchor rdr-anchor "relayd/*" # TFTP proxy rdr-anchor "tftp-proxy/*" # UPnPd rdr anchor rdr-anchor "miniupnpd" anchor "relayd/*" anchor "openvpn/*" anchor "ipsec/*" # block IPv4 link-local. Per RFC 3927, link local "MUST NOT" be forwarded by a routing device, # and clients "MUST NOT" send such packets to a router. FreeBSD won't route 169.254./16, but # route-to can override that, causing problems such as in redmine #2073 block in log quick from 169.254.0.0/16 to any tracker 1000000101 label "Block IPv4 link-local" block in log quick from any to 169.254.0.0/16 tracker 1000000102 label "Block IPv4 link-local" #--------------------------------------------------------------------------- # default deny rules #--------------------------------------------------------------------------- block in log inet all tracker 1000000103 label "Default deny rule IPv4" block out log inet all tracker 1000000104 label "Default deny rule IPv4" block in log inet6 all tracker 1000000105 label "Default deny rule IPv6" block out log inet6 all tracker 1000000106 label "Default deny rule IPv6" # IPv6 ICMP is not auxilary, it is required for operation # See man icmp6(4) # 1 unreach Destination unreachable # 2 toobig Packet too big # 128 echoreq Echo service request # 129 echorep Echo service reply # 133 routersol Router solicitation # 134 routeradv Router advertisement # 135 neighbrsol Neighbor solicitation # 136 neighbradv Neighbor advertisement pass quick inet6 proto ipv6-icmp from any to any icmp6-type {1,2,135,136} tracker 1000000107 keep state # Allow only bare essential icmpv6 packets (NS, NA, and RA, echoreq, echorep) pass out quick inet6 proto ipv6-icmp from fe80::/10 to fe80::/10 icmp6-type {129,133,134,135,136} tracker 1000000108 keep state pass out quick inet6 proto ipv6-icmp from fe80::/10 to ff02::/16 icmp6-type {129,133,134,135,136} tracker 1000000109 keep state pass in quick inet6 proto ipv6-icmp from fe80::/10 to fe80::/10 icmp6-type {128,133,134,135,136} tracker 1000000110 keep state pass in quick inet6 proto ipv6-icmp from ff02::/16 to fe80::/10 icmp6-type {128,133,134,135,136} tracker 1000000111 keep state pass in quick inet6 proto ipv6-icmp from fe80::/10 to ff02::/16 icmp6-type {128,133,134,135,136} tracker 1000000112 keep state pass in quick inet6 proto ipv6-icmp from :: to ff02::/16 icmp6-type {128,133,134,135,136} tracker 1000000113 keep state # We use the mighty pf, we cannot be fooled. block log quick inet proto { tcp, udp } from any port = 0 to any tracker 1000000114 label "Block traffic from port 0" block log quick inet proto { tcp, udp } from any to any port = 0 tracker 1000000115 label "Block traffic to port 0" block log quick inet6 proto { tcp, udp } from any port = 0 to any tracker 1000000116 label "Block traffic from port 0" block log quick inet6 proto { tcp, udp } from any to any port = 0 tracker 1000000117 label "Block traffic to port 0" # Snort package block log quick from to any tracker 1000000118 label "Block snort2c hosts" block log quick from any to tracker 1000000119 label "Block snort2c hosts" # SSH lockout block in log quick proto tcp from to (self) port 22 tracker 1000000301 label "sshguard" # webConfigurator lockout block in log quick proto tcp from to (self) port 80 tracker 1000000351 label "GUI Lockout" block in log quick from to any tracker 1000000400 label "virusprot overload table" # block bogon networks (IPv4) # http://www.cymru.com/Documents/bogon-bn-nonagg.txt block in log quick on $WAN from to any tracker 11000 label "block bogon IPv4 networks from WAN" # block bogon networks (IPv6) # http://www.team-cymru.org/Services/Bogons/fullbogons-ipv6.txt block in log quick on $WAN from to any tracker 11000 label "block bogon IPv6 networks from WAN" antispoof log for $WAN tracker 1000001570 # block anything from private networks on interfaces with the option set block in log quick on $WAN from 10.0.0.0/8 to any tracker 12000 label "Block private networks from WAN block 10/8" block in log quick on $WAN from 127.0.0.0/8 to any tracker 12000 label "Block private networks from WAN block 127/8" block in log quick on $WAN from 172.16.0.0/12 to any tracker 12000 label "Block private networks from WAN block 172.16/12" block in log quick on $WAN from 192.168.0.0/16 to any tracker 12000 label "Block private networks from WAN block 192.168/16" block in log quick on $WAN from fc00::/7 to any tracker 12000 label "Block ULA networks from WAN block fc00::/7" antispoof log for $LAN tracker 1000002620 # allow access to DHCP server on LAN pass in quick on $LAN proto udp from any port = 68 to 255.255.255.255 port = 67 tracker 1000002641 label "allow access to DHCP server" pass in quick on $LAN proto udp from any port = 68 to 192.168.178.1 port = 67 tracker 1000002642 label "allow access to DHCP server" pass out quick on $LAN proto udp from 192.168.178.1 port = 67 to any port = 68 tracker 1000002643 label "allow access to DHCP server" # allow access to DHCPv6 server on LAN # We need inet6 icmp for stateless autoconfig and dhcpv6 pass quick on $LAN inet6 proto udp from fe80::/10 to fe80::/10 port = 546 tracker 1000002651 label "allow access to DHCPv6 server" pass quick on $LAN inet6 proto udp from fe80::/10 to ff02::/16 port = 546 tracker 1000002652 label "allow access to DHCPv6 server" pass quick on $LAN inet6 proto udp from fe80::/10 to ff02::/16 port = 547 tracker 1000002653 label "allow access to DHCPv6 server" pass quick on $LAN inet6 proto udp from ff02::/16 to fe80::/10 port = 547 tracker 1000002654 label "allow access to DHCPv6 server" # loopback pass in on $loopback inet all tracker 1000003711 label "pass IPv4 loopback" pass out on $loopback inet all tracker 1000003712 label "pass IPv4 loopback" pass in on $loopback inet6 all tracker 1000003713 label "pass IPv6 loopback" pass out on $loopback inet6 all tracker 1000003714 label "pass IPv6 loopback" # let out anything from the firewall host itself and decrypted IPsec traffic pass out inet all keep state allow-opts tracker 1000003715 label "let out anything IPv4 from firewall host itself" pass out inet6 all keep state allow-opts tracker 1000003716 label "let out anything IPv6 from firewall host itself" pass out route-to ( ue0 (STATIC_IP).109 ) from (STATIC_IP).110 to !(STATIC_IP).108/30 tracker 1000003811 keep state allow-opts label "let out anything from firewall host itself" # make sure the user cannot lock himself out of the webConfigurator or SSH pass in quick on igb0 proto tcp from any to (igb0) port { 80 } tracker 10000 keep state label "anti-lockout rule" # User-defined rules follow anchor "userrules/*" pass in quick on $OpenVPN inet from any to any tracker 1562356872 keep state label "USER_RULE: OpenVPN wizard" pass in quick on $WAN reply-to ( ue0 (STATIC_IP).109 ) inet proto tcp from (STATIC_IP).108/30 to 192.168.178.0/24 tracker 1562352580 flags S/SA keep state label "USER_RULE" pass in quick on $LAN inet from 192.168.178.0/24 to any tracker 0100000101 keep state label "USER_RULE: Default allow LAN to any rule" # at the break! label "USER_RULE: Default allow LAN IPv6 to any rule" pass in quick on $WAN reply-to ( ue0 (STATIC_IP).109 ) inet proto udp from any to (STATIC_IP).110 port 1194 tracker 1562356871 keep state label "USER_RULE: OpenVPN wizard" # VPN Rules anchor "tftp-proxy/*"