Adapt test configurations

Adapt test configurations to the new Debian-based system.

testing/tests/p2pnat/behind-same-nat/pretest.dat

@@ -1,7 +1,7 @@
 alice::/etc/init.d/iptables start 2> /dev/null
 venus::/etc/init.d/iptables start 2> /dev/null
-moon::/etc/init.d/iptables start 2> /dev/null
 carol::/etc/init.d/iptables start 2> /dev/null
+moon::iptables-restore < /etc/iptables.rules
 moon::iptables -t nat -A POSTROUTING -o eth0 -s 10.1.0.0/16 -p udp -j SNAT --to-source PH_IP_MOON:1100-1200
 moon::iptables -t nat -A POSTROUTING -o eth0 -s 10.1.0.0/16 -p tcp -j SNAT --to-source PH_IP_MOON:2000-2100
 moon::iptables -A FORWARD -i eth1 -o eth0 -s 10.1.0.0/16  -j ACCEPT
@@ -10,5 +10,5 @@ carol::ipsec start
 carol::sleep 1
 alice::ipsec start
 alice::sleep 1
-venus::ipsec start 
-venus::sleep 4 
+venus::ipsec start
+venus::sleep 4