iptables-URL1 := http://mirror.onelab.eu/third-party/iptables-1.4.12.1.tar.bz2
iptables-URL2 := http://planet-lab.org/third-party/iptables-1.4.12.1.tar.bz2
iptables-SHA1SUM := 86022c3b5129ad7105f5087ec1349e99cc5a9728
-iptables := $(notdir $(iptables-URL))
+iptables := $(notdir $(iptables-URL1))
##############################
define download_target