--- /dev/null
+
+# archive.ubuntu.com
+deb http://archive.ubuntu.com/ubuntu/ hardy main restricted
+deb-src http://archive.ubuntu.com/ubuntu/ hardy main restricted
+
+deb http://archive.ubuntu.com/ubuntu/ hardy-updates main restricted
+deb-src http://archive.ubuntu.com/ubuntu/ hardy-updates main restricted
+
+deb http://archive.ubuntu.com/ubuntu/ hardy universe
+deb-src http://archive.ubuntu.com/ubuntu/ hardy universe
+
+deb http://archive.ubuntu.com/ubuntu/ hardy-updates universe
+deb-src http://archive.ubuntu.com/ubuntu/ hardy-updates universe
+
+# security.ubuntu.com
+deb http://security.ubuntu.com/ubuntu/ hardy-security main restricted
+deb-src http://security.ubuntu.com/ubuntu/ hardy-security main restricted
+
+deb http://security.ubuntu.com/ubuntu/ hardy-security universe
+deb-src http://security.ubuntu.com/ubuntu/ hardy-security universe
+
+
+# archive.canonical.com
+deb http://archive.canonical.com/ubuntu/ hardy-partner universe
+deb-src http://archive.canonical.com/ubuntu/ hardy-partner universe
--- /dev/null
+#!/bin/sh
+
+OPTS="-o Dir::Etc::sourcelist=./sources.test.list -o Acquire::http::timeout=20"
+
+# setup
+unset http_proxy
+iptables --flush
+
+echo "No network at all"
+ifdown eth0
+time apt-get update $OPTS 2>&1 |grep system
+ifup eth0
+echo ""
+
+echo "no working DNS (port 53 DROP)"
+iptables -A OUTPUT -p udp --dport 53 -j DROP
+time apt-get update $OPTS 2>&1 |grep system
+iptables --flush
+echo ""
+
+echo "DNS but no access to archive.ubuntu.com (port 80 DROP)"
+iptables -A OUTPUT -p tcp --dport 80 -j DROP
+time apt-get update $OPTS 2>&1 |grep system
+iptables --flush
+echo ""