From: Mark Wooding <mdw@distorted.org.uk>
Date: Sun, 12 Feb 2012 01:58:03 +0000 (+0000)
Subject: Merge branch 'master' into emergency
X-Git-Url: https://git.distorted.org.uk/~mdw/firewall/commitdiff_plain/2861f481552b0cd6c118e7169397e134fde03b15?hp=70b00235ca5a98cc79e1265b7d099f07f8924237

Merge branch 'master' into emergency

* master:
  numbers.m4, gibson.m4: Allow gibson to receive IPMI responses.
  bookends.m4: Open up tables we clobbered at exit.
  fender: New host, with basic firewall.
---

diff --git a/bookends.m4 b/bookends.m4
index b51f8ae..b29047b 100644
--- a/bookends.m4
+++ b/bookends.m4
@@ -217,5 +217,17 @@ for chain in INPUT FORWARD; do
   run ip46tables -A $chain -g forbidden
 done
 
+## Allow stuff through unknown tables.
+for ip in ip ip6; do
+  for table in $(cat /proc/net/${ip}_tables_names); do
+    case $table in mangle | filter) continue ;; esac
+    ${ip}tables -nL -t $table |
+    sed -n '/^Chain \([^ ]\+\) (policy .*$/ s//\1/p ' |
+    while read chain; do
+      run ${ip}tables -t $table -P $chain ACCEPT
+    done
+  done
+done
+
 m4_divert(-1)
 ###----- That's all, folks --------------------------------------------------
diff --git a/fender.m4 b/fender.m4
new file mode 100644
index 0000000..ea0fb32
--- /dev/null
+++ b/fender.m4
@@ -0,0 +1,62 @@
+### -*-sh-*-
+###
+### Firewall configuration for fender actual
+###
+### (c) 2008 Mark Wooding
+###
+
+###----- Licensing notice ---------------------------------------------------
+###
+### This program is free software; you can redistribute it and/or modify
+### it under the terms of the GNU General Public License as published by
+### the Free Software Foundation; either version 2 of the License, or
+### (at your option) any later version.
+###
+### This program is distributed in the hope that it will be useful,
+### but WITHOUT ANY WARRANTY; without even the implied warranty of
+### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+### GNU General Public License for more details.
+###
+### You should have received a copy of the GNU General Public License
+### along with this program; if not, write to the Free Software Foundation,
+### Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+###--------------------------------------------------------------------------
+### Config settings.
+
+## This host isn't a router.
+setconf(forward, 0)
+
+## This host is involved in a routing asymmetry.
+setconf(rp_filter, 0)
+setconf(log_martians, 0)
+
+###--------------------------------------------------------------------------
+### Network interfaces.
+
+m4_divert(44)m4_dnl
+## Interface definitions.
+if_untrusted=eth0
+if_dmz=$if_untrusted
+if_safe=$if_dmz
+if_trusted=$if_dmz
+if_vpn=$if_dmz
+if_iodine=$if_dmz
+if_its_mz=$if_dmz
+if_its_pi=$if_dmz
+
+m4_divert(-1)
+###--------------------------------------------------------------------------
+### fender-specific rules.
+
+m4_divert(82)m4_dnl
+## Externally visible services.
+allowservices inbound tcp \
+	ssh \
+	ident
+
+## We have to provide NTP service.  The guests sync to our clock.
+ntpclient inbound $ntp_servers
+
+m4_divert(-1)
+###----- That's all, folks --------------------------------------------------
diff --git a/gibson.m4 b/gibson.m4
index 7ccc260..1676153 100644
--- a/gibson.m4
+++ b/gibson.m4
@@ -54,5 +54,10 @@ allowservices inbound tcp \
 allowservices inbound udp \
 	siplo:siphi
 
+## IMPI client hacking.
+run ip46tables -A inbound -j ACCEPT \
+	-m state --state ESTABLISHED \
+	-p udp --source-port $port_ipmi
+
 m4_divert(-1)
 ###----- That's all, folks --------------------------------------------------
diff --git a/local.mk b/local.mk
index d272914..e69fd29 100644
--- a/local.mk
+++ b/local.mk
@@ -12,4 +12,6 @@ HOSTS			+= roadstar
 HOSTS			+= jem
 HOSTS			+= artist
 
+HOSTS			+= fender
+
 HOSTS			+= gibson
diff --git a/numbers.m4 b/numbers.m4
index 983e091..4d111da 100644
--- a/numbers.m4
+++ b/numbers.m4
@@ -44,6 +44,7 @@ defport https 443
 defport microsoft_ds 445
 defport syslog 514			# UDP only!
 defport submission 587
+defport ipmi 623
 defport rsync 873
 defport imaps 993
 defport h323 1720