#	$OpenBSD: pf.conf,v 1.49 2009/09/17 06:39:03 jmc Exp $
#
# See pf.conf(5) for syntax and examples.
# Remember to set net.inet.ip.forwarding=1 and/or net.inet6.ip6.forwarding=1
# in /etc/sysctl.conf if packets are to be forwarded between interfaces.


####Macros####
#array of the IP's local to the proxy box
LocalIP="{172.21.1.20, 192.168.10.1}"

#what ip on the proxy box has access to the internet
OutsideIP=172.21.1.20

# what IP do you want to map the wireless box through to
# This is not strictly needed, but it does make it easier when you need to
# look at the wireless router.
WirelessOutside=172.21.1.21

# What is the ip of the wireless router
WirelessIP=192.168.10.254

# DNS servers, so DNS queries can always go through
dns_servers="{8.8.8.8, 8.8.4.4}"

# Inside and outside interface names (from ifconfig)
insideIF="em0"
outsideIF="re0"

set block-policy return
set loginterface $outsideIF

table <authIP>

set skip on lo

# NAT outgoing packets from the inside network
match out on $outsideIF from !(outsideIF:network) nat-to $OutsideIP

# Static NAT for the AP
pass quick from $WirelessIP to any binat-to $WirelessOutside

# Redirect all web traffic to squid
pass in quick on $insideIF inet proto tcp to !192.168.10.1 port www rdr-to 127.0.0.1 port 3128

# Block everything inbound other than the wireless
block return in from !$WirelessIP

# Allow all traffic from anyone who has accepted the agreement, but not to the router
pass from {<authIP>} to !192.168.10.1 keep state

# Block access to our networks
block return in log from !$WirelessIP to {172.0.0.0/8, 10.0.0.0/8}

# Allow DNS traffic
pass in quick proto {tcp,udp} from $dns_servers to any port 53
pass in quick proto {tcp,udp} to $dns_servers port 53

# Allow all access to the local web server- needed to serve up landing page
pass in proto tcp from any to $LocalIP port {80,8080}

# Allow SSH from outside only (our network, not wireless)
block in proto tcp to $LocalIP port 22
pass in on $outsideIF proto tcp to $LocalIP port 22

# Allow the local machine to be pinged
pass in inet proto icmp to $LocalIP

#pass in from $WirelessIP

# Allow all traffic out of the router. Just block inbound connections as above
pass out

# filter rules and anchor for ftp-proxy(8)
#anchor "ftp-proxy/*"
#pass in quick proto tcp to port ftp rdr-to 127.0.0.1 port 8021

# anchor for relayd(8)
#anchor "relayd/*"

#pass log		# to establish keep-state

# rules for spamd(8)
#table <spamd-white> persist
#table <nospamd> persist file "/etc/mail/nospamd"
#pass in on egress proto tcp from any to any port smtp \
#    rdr-to 127.0.0.1 port spamd
#pass in on egress proto tcp from <nospamd> to any port smtp
#pass in log on egress proto tcp from <spamd-white> to any port smtp
#pass out log on egress proto tcp to any port smtp


#block in quick from urpf-failed to any	# use with care

# By default, do not permit remote connections to X11
#block in on ! lo0 proto tcp to port 6000:6010