X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~mdw/git/firewall/blobdiff_plain/beb4f0eeafb386d83f2593fec489f4291583e08b..d0409c909cb113596f5d0daed5be237a42878c8d:/vampire.m4 diff --git a/vampire.m4 b/vampire.m4 index 6ddbbf5..bb91c7c 100644 --- a/vampire.m4 +++ b/vampire.m4 @@ -21,44 +21,28 @@ ### along with this program; if not, write to the Free Software Foundation, ### 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 \ + ident \ ssh \ - smtp submission \ - gnutella_svc \ - ftp ftp_data \ - rsync \ - imaps \ - disorder mpd \ - http https squid \ - 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 +59,19 @@ 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:ba8:1d9::/48 +ip6tables -A inbound -p udp -j ACCEPT \ + --source-port 123 --destination-port 123 \ + -s 2001:8b0:c92::/48 + m4_divert(-1) ###----- That's all, folks --------------------------------------------------