X-Git-Url: https://git.distorted.org.uk/~mdw/firewall/blobdiff_plain/beb4f0eeafb386d83f2593fec489f4291583e08b..4f8c198960217f631e0fcb20e8615fc93c3d1da2:/vampire.m4

diff --git a/vampire.m4 b/vampire.m4
index 6ddbbf5..e016358 100644
--- a/vampire.m4
+++ b/vampire.m4
@@ -22,20 +22,12 @@
 ### Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 
 ###--------------------------------------------------------------------------
-### Config settings.
-
-## This router is involved in a routing asymmetry.
-setconf(rp_filter, 0)
-setconf(log_martians, 0)
-
-###--------------------------------------------------------------------------
 ### vampire-specific rules.
 
 m4_divert(86)m4_dnl
 ## Externally visible services.
 allowservices inbound tcp \
 	finger ident \
-	dns iodine \
 	ssh \
 	smtp submission \
 	gnutella_svc \
@@ -47,18 +39,18 @@ allowservices inbound tcp \
 	git \
 	tor_public tor_directory i2p
 allowservices inbound udp \
-	dns iodine \
 	tripe \
 	gnutella_svc \
 	i2p
 
 ## Extend some services to local untrusted hosts.
 clearchain inbound-untrusted
-run iptables -A inbound -j inbound-untrusted \
-	-s 172.29.198.0/24
+run iptables -A inbound -j inbound-untrusted -s $net_inet_untrusted
+run ip6tables -A inbound -j inbound-untrusted -s $net_inet6_untrusted
 
 allowservices inbound-untrusted tcp \
 	dns \
+	lpd \
 	netbios_ssn microsoft_ds
 allowservices inbound-untrusted udp \
 	dns \
@@ -75,7 +67,16 @@ run iptables -A OUTPUT -m multiport \
 
 ## Other interesting things.
 dnsresolver inbound
+dnsserver inbound
 ntpclient inbound $ntp_servers
 
+## Provide NTP service to untrusted clients.
+iptables -A inbound -p udp -j ACCEPT \
+	--source-port 123 --destination-port 123 \
+	-s 172.29.198.0/23
+ip6tables -A inbound -p udp -j ACCEPT \
+	--source-port 123 --destination-port 123 \
+	-s 2001:470:9740::/48
+
 m4_divert(-1)
 ###----- That's all, folks --------------------------------------------------