set limit table-entries 400000
set optimization normal
set limit states 202000
set limit src-nodes 202000

#System aliases
  
loopback = "{ lo0 }"
WAN = "{ mvneta2 }"
LAN = "{ mvneta1 }"

#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 = "  "

 
set loginterface mvneta1

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 ::1/128 192.168.1.0/24 }"
nat on $WAN inet from $tonatsubnets to any port 500 -> (mvneta2)  static-port
nat on $WAN inet6 from $tonatsubnets to any port 500 -> (mvneta2)  static-port
nat on $WAN inet from $tonatsubnets to any -> (mvneta2) port 1024:65535 
nat on $WAN inet6 from $tonatsubnets to any -> (mvneta2) 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 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 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} 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 <snort2c> to any tracker 1000000118 label "Block snort2c hosts"
block log quick from any to <snort2c> tracker 1000000119 label "Block snort2c hosts"

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

# webConfigurator lockout
block in log quick proto tcp from <sshguard> to (self) port 443 tracker 1000000351 label "GUI Lockout"
block in log quick from <virusprot> to any tracker 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 tracker 1000000561 label "allow dhcp client out WAN"
pass out  quick on $WAN proto udp from any port = 68 to any port = 67 tracker 1000000562 label "allow dhcp client out WAN" 
# Not installing DHCP server firewall rules for WAN which is configured for DHCP.
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 192.168.1.1 port = 67 tracker 1000002642 label "allow access to DHCP server"
pass out  quick on $LAN proto udp from 192.168.1.1 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 1000002661 label "pass IPv4 loopback"
pass out  on $loopback inet all tracker 1000002662 label "pass IPv4 loopback"
pass in  on $loopback inet6 all tracker 1000002663 label "pass IPv6 loopback"
pass out  on $loopback inet6 all tracker 1000002664 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 1000002665 label "let out anything IPv4 from firewall host itself"
pass out  inet6 all keep state allow-opts tracker 1000002666 label "let out anything IPv6 from firewall host itself"

# make sure the user cannot lock himself out of the webConfigurator or SSH
pass in  quick on mvneta1 proto tcp from any to (mvneta1) port { 443 80 } tracker 10000 keep state label "anti-lockout rule"

# User-defined rules follow

anchor "userrules/*"
pass  in  quick  on $LAN inet from 192.168.1.0/24 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"

# VPN Rules

anchor "tftp-proxy/*"

