Stuff

# MACROS
ext_if = "hme0"
int_if = "hme1"

tcp_services = "{ www, https, ftp-data, ftp, ssh, domain, pop3, pop3s, \
                  smtp, auth, nntp, cvspserver, 446, 1863, 2628, 8000, \
                  8080 }"
icmp_types = "echoreq"
cary_n1 = "10.10.11.1"

# OPTIONS
set block-policy drop
set loginterface $ext_if

set skip on lo

scrub in

nat on $ext_if from !($ext_if) to any -> ($ext_if)
nat-anchor "ftp-proxy/*"
rdr-anchor "ftp-proxy/*"

rdr pass on $int_if proto tcp to port ftp -> 127.0.0.1 port 8021
rdr on $ext_if proto tcp from any to any port 80 -> $cary_n1
rdr on $ext_if proto tcp from any to any port 25 -> $cary_n1
rdr on $ext_if proto tcp from any to any port 15566:15766 -> 10.0.100.9 port 15566:15766

# FILTER RULES
block in log

pass out keep state

anchor "ftp-proxy/*"

pass in on $ext_if inet proto tcp from any to ($ext_if) \
        port $tcp_services flags S/SA keep state

pass in on $ext_if inet proto tcp from any to $cary_n1 port 80 \
        flags S/SA synproxy state

pass in inet proto icmp all icmp-type $icmp_types keep state

pass in on $ext_if inet proto tcp from any to ($ext_if) \
        port 15566:15766 flags S/SA keep state

pass quick on $int_if

#antispoof for { $int_if }