X-Git-Url: https://git.distorted.org.uk/~mdw/firewall/blobdiff_plain/f3f390bc6f8cbb9426cebe4578ceda9224805c7e..8670c87d52da8c68fa8fb99ff1d4976d4a72675a:/jem.m4 diff --git a/jem.m4 b/jem.m4 index 26f1398..4a9f9c6 100644 --- a/jem.m4 +++ b/jem.m4 @@ -22,41 +22,23 @@ ### Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. ###-------------------------------------------------------------------------- -### Config settings. - -## This host isn't a router. -setconf(forward, 0) - -## This host 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=$if_dmz,$if_trusted -if_untrusted=$if_dmz,$if_trusted -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) -###-------------------------------------------------------------------------- ### jem-specific rules. -m4_divert(82)m4_dnl +m4_divert(86)m4_dnl +## Set up the SAUCE sinbin. Unfortunately, ipset is a bit brittle. This +## isn't a completely critical part of the firewall security, so don't make +## this fail the entire script. +errorchain sauce REJECT +makeset sauce iphash || : +iptables -A inbound -g sauce -m set --match-set sauce src || : + ## Externally visible services. allowservices inbound tcp \ ssh \ ident \ - smtp submission \ - http https \ - imaps + imaps \ + http https rsync \ + git ## Provide DNS resolution to local untrusted hosts. for p in tcp udp; do @@ -65,5 +47,8 @@ for p in tcp udp; do -p $p --destination-port $port_dns done +## Other interesting things. +dnsresolver inbound + m4_divert(-1) ###----- That's all, folks --------------------------------------------------