Update pf examples from OpenBSD to catch up with new stateful defaults and

other syntax changes.  Move pf.conf from /etc to examples, too.

1 files changed, 25 insertions, 22 deletions

diff --git a/share/examples/pf/faq-example1 b/share/examples/pf/faq-example1
index 2981203..91942f6 100644
--- a/share/examples/pf/faq-example1
+++ b/share/examples/pf/faq-example1
@@ -1,5 +1,5 @@
 # $FreeBSD$
-# $OpenBSD: faq-example1,v 1.2 2003/08/06 16:04:45 henning Exp $
+# $OpenBSD: faq-example1,v 1.5 2006/10/07 04:48:01 mcbride Exp $
 
 #
 # Firewall for Home or Small Office
@@ -8,41 +8,44 @@
 
 
 # macros
-int_if = "fxp0"
-ext_if = "ep0"
+ext_if="fxp0"
+int_if="xl0"
 
-tcp_services = "{ 22, 113 }"
-icmp_types = "echoreq"
+tcp_services="{ 22, 113 }"
+icmp_types="echoreq"
+
+comp3="192.168.0.3"
 
-priv_nets = "{ 127.0.0.0/8, 192.168.0.0/16, 172.16.0.0/12, 10.0.0.0/8 }"
-        
 # options
 set block-policy return
 set loginterface $ext_if
 
+set skip on lo
+
 # scrub
-scrub in all
+scrub in
 
 # nat/rdr
-nat on $ext_if from $int_if:network to any -> ($ext_if)
-rdr on $int_if proto tcp from any to any port 21 -> 127.0.0.1 \
-   port 8021
+nat on $ext_if from !($ext_if) -> ($ext_if:0)
+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 -> $comp3
 
 # filter rules
-block all
+block in
 
-pass quick on lo0 all
+pass out
 
-block drop in  quick on $ext_if from $priv_nets to any
-block drop out quick on $ext_if from any to $priv_nets
+anchor "ftp-proxy/*"
+antispoof quick for { lo $int_if }
 
-pass in on $ext_if inet proto tcp from any to ($ext_if) \
-   port $tcp_services flags S/SA keep state
+pass in on $ext_if inet proto tcp from any to ($ext_if) port $tcp_services
 
-pass in inet proto icmp all icmp-type $icmp_types keep state
+pass in on $ext_if inet proto tcp from any to $comp3 port 80 \
+    synproxy state
 
-pass in  on $int_if from $int_if:network to any keep state
-pass out on $int_if from any to $int_if:network keep state
+pass in inet proto icmp all icmp-type $icmp_types
 
-pass out on $ext_if proto tcp all modulate state flags S/SA
-pass out on $ext_if proto { udp, icmp } all keep state
+pass quick on $int_if no state