X-Git-Url: https://git.distorted.org.uk/~mdw/firewall/blobdiff_plain/27ca7c0e20cf2ce3f40eeea5f3bfa936d82bec66..8b021091932977b8bae420b7845369018e301451:/radius.m4 diff --git a/radius.m4 b/radius.m4 index f6c892b..978a877 100644 --- a/radius.m4 +++ b/radius.m4 @@ -22,33 +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) - -###-------------------------------------------------------------------------- -### Network interfaces. - -m4_divert(44)m4_dnl -## Interface definitions. -if_dmz=eth0 -if_trusted=eth1 -if_safe=eth2 -if_untrusted=eth3 -if_vpn=$if_dmz,$if_trusted -if_iodine=$if_dmz,$if_trusted -if_its_mz=$if_dmz,$if_trusted -if_its_pi=$if_dmz,$if_trusted - -m4_divert(-1) -###-------------------------------------------------------------------------- ### radius-specific rules. -m4_divert(82)m4_dnl +m4_divert(86)m4_dnl ## Externally visible services. allowservices inbound tcp \ + ident \ dns iodine \ ssh allowservices inbound udp \ @@ -70,6 +49,10 @@ run iptables -A inbound -j ACCEPT \ ## Other interesting things. dnsresolver inbound +## IPv6 6-in-4 tunnel. +run iptables -A inbound -j ACCEPT \ + -p $proto_ipv6 -s 216.66.80.26 + ## NAT for RFC1918 addresses. for i in PREROUTING OUTPUT POSTROUTING; do run iptables -t nat -P $i ACCEPT 2>/dev/null || : @@ -79,12 +62,15 @@ run iptables -t nat -F run iptables -t nat -X run iptables -t nat -N outbound -run iptables -t nat -A outbound -j RETURN ! -o $if_dmz +run iptables -t nat -A outbound -j RETURN ! -o eth0 run iptables -t nat -A outbound -j RETURN ! -s 172.29.198.0/23 run iptables -t nat -A outbound -j RETURN -d 62.49.204.144/28 run iptables -t nat -A outbound -j RETURN -d 172.29.198.0/23 run iptables -t nat -A outbound -j SNAT --to-source 62.49.204.158 run iptables -t nat -A POSTROUTING -j outbound +## Forbid anything complicated to the NAT address. +run iptables -A INPUT -d 62.49.204.158 ! -p icmp -j REJECT + m4_divert(-1) ###----- That's all, folks --------------------------------------------------