local.m4: Promote the NTP server configuration to a proper variable.

[firewall] / vampire.m4

diff --git a/vampire.m4 b/vampire.m4
index b7bf1fa..8e9bb6a 100644 (file)
--- a/vampire.m4
+++ b/vampire.m4
@@ -1,4 +1,4 @@
-### -*-m4-*-
+### -*-sh-*-
 ###
 ### Firewall configuration for vampire
 ###
@@ -22,65 +22,75 @@
 ### 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)
+
+###--------------------------------------------------------------------------
 ### Network interfaces.
 
-m4_divert(44)m4_dnl
+m4_divert(28)m4_dnl
 ## Interface definitions.
-if_untrusted=eth0.1
-if_trusted=eth0.0
+if_dmz=eth0.0
+if_trusted=eth0.1
+if_safe=$if_dmz,$if_trusted
+if_untrusted=eth0.3
 if_vpn=vpn-+
 if_iodine=dns+
-if_its_mz=eth0.0
-if_its_pi=eth0.0
+if_its_mz=$if_dmz,$if_trusted
+if_its_pi=$if_dmz,$if_trusted
 
 m4_divert(-1)
 ###--------------------------------------------------------------------------
 ### vampire-specific rules.
 
-m4_divert(82)m4_dnl
+m4_divert(86)m4_dnl
 ## Externally visible services.
 allowservices inbound tcp \
        finger ident \
        dns iodine \
        ssh \
-       smtp \
+       smtp submission \
        gnutella_svc \
        ftp ftp_data \
        rsync \
+       imaps \
        disorder mpd \
-       http https \
-       git     
-allowservices inbound tcp \
-       tor_public tor_directory
+       http https squid \
+       git \
+       tor_public tor_directory i2p
 allowservices inbound udp \
        dns iodine \
        tripe \
-       gnutella_svc
+       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
 
-## Provide DNS resolution to local untrusted hosts.
-for p in tcp udp; do
-  run iptables -A inbound -j ACCEPT \
-         -s 172.29.198.0/24 \
-         -p $p --destination-port $port_dns
-done
+allowservices inbound-untrusted tcp \
+       dns \
+       netbios_ssn microsoft_ds
+allowservices inbound-untrusted udp \
+       dns \
+       tftp
 
 ## Provide syslog for evolution.
 run iptables -A inbound -j ACCEPT \
        -s 172.29.198.2 \
        -p udp --destination-port $port_syslog
 
-## Provide a web cache to local untrusted hosts.
-run iptables -A inbound -j ACCEPT \
-       -s 172.29.198.0/24 \
-       -p tcp --destination-port $port_squid
-
 ## Watch outgoing Tor usage.
 run iptables -A OUTPUT -m multiport \
        -p tcp --source-ports $port_tor_public,$port_tor_directory
 
 ## Other interesting things.
 dnsresolver inbound
-ntpclient inbound 158.152.1.76 158.152.1.204 194.159.253.2
+ntpclient inbound $ntp_servers
 
 m4_divert(-1)
 ###----- That's all, folks --------------------------------------------------