set hostid 0x6d1e6c6f
set limit table-entries 400000
set optimization normal
set limit states 805000
set limit src-nodes 805000

#System aliases
  
loopback = "{ lo0 }"
WAN = "{ ix3 }"
LAN = "{ igc0 }"
WAN2 = "{ ix2 }"
WAN3 = "{ ix0 }"
WAN4 = "{ ix1 }"
LAN2 = "{ igc1 }"
LAN3 = "{ igc2 }"
LAN4 = "{ igc3 }"
WIFI0 = "{ ath0_wlan0 }"

#SSH Lockout Table
table <sshguard> persist
#Snort tables
table <snort2c>
table <virusprot>
table <bogons> persist file "/etc/bogons"
table <negate_networks> 

# User Aliases 
 
# Gateways
GWWAN_DHCP = " route-to ( ix3 172.21.16.1 ) "
GWWAN2_DHCP = " route-to ( ix2 192.168.241.1 ) "
GWFailover = "  route-to { ( ix3 172.21.16.1 )  }  "

 
set loginterface igc0

set skip on pfsync0
set keepcounters

scrub on $WAN inet all    fragment reassemble
scrub on $WAN inet6 all    fragment reassemble
scrub on $LAN inet all    fragment reassemble
scrub on $LAN inet6 all    fragment reassemble
scrub on $WAN2 inet all    fragment reassemble
scrub on $WAN2 inet6 all    fragment reassemble
scrub on $WAN3 inet all    fragment reassemble
scrub on $WAN3 inet6 all    fragment reassemble
scrub on $WAN4 inet all    fragment reassemble
scrub on $WAN4 inet6 all    fragment reassemble
scrub on $LAN2 inet all    fragment reassemble
scrub on $LAN2 inet6 all    fragment reassemble
scrub on $LAN3 inet all    fragment reassemble
scrub on $LAN3 inet6 all    fragment reassemble
scrub on $LAN4 inet all    fragment reassemble
scrub on $LAN4 inet6 all    fragment reassemble
scrub on $WIFI0 inet all    fragment reassemble
scrub on $WIFI0 inet6 all    fragment reassemble


no nat proto carp
no rdr proto carp
binat-anchor "miniupnpd"
nat-anchor "miniupnpd"
nat-anchor "natearly/*"
nat-anchor "natrules/*"


# Outbound NAT rules (automatic)

# Subnets to NAT 
tonatsubnets	= "{ 127.0.0.0/8 ::1/128 192.168.170.0/24 }"
nat on $WAN inet from $tonatsubnets to any port 500 -> 172.21.16.170/32  static-port
nat on $WAN inet6 from $tonatsubnets to any port 500 -> (ix3)  static-port
nat on $WAN inet from $tonatsubnets to any -> 172.21.16.170/32 port 1024:65535 
nat on $WAN inet6 from $tonatsubnets to any -> (ix3) port 1024:65535 
nat on $WAN2 inet from $tonatsubnets to any port 500 -> 192.168.241.10/32  static-port
nat on $WAN2 inet6 from $tonatsubnets to any port 500 -> (ix2)  static-port
nat on $WAN2 inet from $tonatsubnets to any -> 192.168.241.10/32 port 1024:65535 
nat on $WAN2 inet6 from $tonatsubnets to any -> (ix2) port 1024:65535 
# TFTP proxy
rdr-anchor "tftp-proxy/*"
# UPnPd rdr anchor
rdr-anchor "miniupnpd"

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 ridentifier 1000000101 label "Block IPv4 link-local"
block in log quick from any to 169.254.0.0/16 ridentifier 1000000102 label "Block IPv4 link-local"
#---------------------------------------------------------------------------
# default deny rules
#---------------------------------------------------------------------------
block in log inet all ridentifier 1000000103 label "Default deny rule IPv4"
block out log inet all ridentifier 1000000104 label "Default deny rule IPv4"
block in log inet6 all ridentifier 1000000105 label "Default deny rule IPv6"
block out log inet6 all ridentifier 1000000106 label "Default deny rule IPv6"

# IPv6 ICMP is not auxiliary, 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} ridentifier 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} ridentifier 1000000108 keep state
pass out  quick inet6 proto ipv6-icmp from fe80::/10 to ff02::/16 icmp6-type {129,133,134,135,136} ridentifier 1000000109 keep state
pass in  quick inet6 proto ipv6-icmp from fe80::/10 to fe80::/10 icmp6-type {128,133,134,135,136} ridentifier 1000000110 keep state
pass in  quick inet6 proto ipv6-icmp from ff02::/16 to fe80::/10 icmp6-type {128,133,134,135,136} ridentifier 1000000111 keep state
pass in  quick inet6 proto ipv6-icmp from fe80::/10 to ff02::/16 icmp6-type {128,133,134,135,136} ridentifier 1000000112 keep state
pass in  quick inet6 proto ipv6-icmp from :: to ff02::/16 icmp6-type {128,133,134,135,136} ridentifier 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 ridentifier 1000000114 label "Block traffic from port 0"
block log quick inet proto { tcp, udp } from any to any port = 0 ridentifier 1000000115 label "Block traffic to port 0"
block log quick inet6 proto { tcp, udp } from any port = 0 to any ridentifier 1000000116 label "Block traffic from port 0"
block log quick inet6 proto { tcp, udp } from any to any port = 0 ridentifier 1000000117 label "Block traffic to port 0"

# Snort package
block log quick from <snort2c> to any ridentifier 1000000118 label "Block snort2c hosts"
block log quick from any to <snort2c> ridentifier 1000000119 label "Block snort2c hosts"

# SSH lockout
block in log quick proto tcp from <sshguard> to (self) port 22 ridentifier 1000000301 label "sshguard"

# webConfigurator lockout
block in log quick proto tcp from <sshguard> to (self) port 443 ridentifier 1000000351 label "GUI Lockout"
block in log quick from <virusprot> to any ridentifier 1000000400 label "virusprot overload table"
# allow our DHCP client out to the WAN
pass in  quick on $WAN proto udp from any port = 67 to any port = 68 ridentifier 1000000461 label "allow dhcp client out WAN"
pass out  quick on $WAN proto udp from any port = 68 to any port = 67 ridentifier 1000000462 label "allow dhcp client out WAN" 
# Not installing DHCP server firewall rules for WAN which is configured for DHCP.
# allow our DHCPv6 client out to the WAN
pass in  quick on $WAN proto udp from fe80::/10 port = 546 to fe80::/10 port = 546 ridentifier 1000000463 label "allow dhcpv6 client in WAN"
pass in  quick on $WAN proto udp from any port = 547 to any port = 546 ridentifier 1000000464 label "allow dhcpv6 client in WAN"
# Add Priority to dhcp6c packets if enabled
pass out  quick on $WAN proto udp from any port = 546 to any port = 547 ridentifier 1000000465 label "allow dhcpv6 client out WAN" 
antispoof log for $WAN ridentifier 1000001470
antispoof log for $LAN ridentifier 1000002520
# 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 ridentifier 1000002541 label "allow access to DHCP server"
pass in  quick on $LAN proto udp from any port = 68 to 192.168.170.1 port = 67 ridentifier 1000002542 label "allow access to DHCP server"
pass out  quick on $LAN proto udp from 192.168.170.1 port = 67 to any port = 68 ridentifier 1000002543 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 ridentifier 1000002551 label "allow access to DHCPv6 server"
pass  quick on $LAN inet6 proto udp from fe80::/10 to ff02::/16 port = 546 ridentifier 1000002552 label "allow access to DHCPv6 server"
pass  quick on $LAN inet6 proto udp from fe80::/10 to ff02::/16 port = 547 ridentifier 1000002553 label "allow access to DHCPv6 server"
pass  quick on $LAN inet6 proto udp from ff02::/16 to fe80::/10 port = 547 ridentifier 1000002554 label "allow access to DHCPv6 server"
# allow our DHCP client out to the WAN2
pass in  quick on $WAN2 proto udp from any port = 67 to any port = 68 ridentifier 1000002561 label "allow dhcp client out WAN2"
pass out  quick on $WAN2 proto udp from any port = 68 to any port = 67 ridentifier 1000002562 label "allow dhcp client out WAN2" 
# Not installing DHCP server firewall rules for WAN2 which is configured for DHCP.
antispoof log for $WAN2 ridentifier 1000003570

# loopback
pass in  on $loopback inet all ridentifier 1000009911 label "pass IPv4 loopback"
pass out  on $loopback inet all ridentifier 1000009912 label "pass IPv4 loopback"
pass in  on $loopback inet6 all ridentifier 1000009913 label "pass IPv6 loopback"
pass out  on $loopback inet6 all ridentifier 1000009914 label "pass IPv6 loopback"
# let out anything from the firewall host itself and decrypted IPsec traffic
pass out  inet all keep state allow-opts ridentifier 1000009915 label "let out anything IPv4 from firewall host itself"
pass out  inet6 all keep state allow-opts ridentifier 1000009916 label "let out anything IPv6 from firewall host itself"

pass out  route-to ( ix3 172.21.16.1 ) from 172.21.16.170 to !172.21.16.0/24 ridentifier 1000010011 keep state allow-opts label "let out anything from firewall host itself"
pass out  route-to ( ix2 192.168.241.1 ) from 192.168.241.10 to !192.168.241.0/24 ridentifier 1000010012 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 igc0 proto tcp from any to (igc0) port { 443 80 22 } ridentifier 10001 keep state label "anti-lockout rule"

# User-defined rules follow

anchor "userrules/*"
pass  in  quick  on $WAN reply-to ( ix3 172.21.16.1 ) inet from any to any ridentifier 1644416432 keep state label "USER_RULE: Allow all ipv4+ipv6 via pfSsh.php" label "id:1644416432"
pass  in  quick  on $WAN inet6 from any to any ridentifier 1644416432 keep state label "USER_RULE: Allow all ipv4+ipv6 via pfSsh.php" label "id:1644416432"
pass  in  quick  on $LAN  $GWWAN2_DHCP inet from 192.168.170.0/24 to any ridentifier 1660690673 keep state label "USER_RULE: Default allow LAN to any via WAN2" label "id:1660690673" label "gw:WAN2_DHCP"
pass  in  quick  on $LAN inet from 192.168.170.0/24 to any ridentifier 0100000101 keep state label "USER_RULE: Default allow LAN to any rule" label "id:0100000101"
# source address is empty. label "USER_RULE: Default allow LAN IPv6 to any rule"

# VPN Rules

anchor "tftp-proxy/*"


