-ALL += iptables ipset
-iptables-URL := http://www.netfilter.org/projects/iptables/files/iptables-1.4.10.tar.bz2
-iptables-SHA1SUM := 8190b8c9714a3eec825317e8ac1deeb3d11c6d29
-ipset-URL := http://ipset.netfilter.org/ipset-4.5.tar.bz2
-ipset-SHA1SUM := 696a5cd96459c8fb028f0dfb9927a5c4f183d28b
-iptables := $(notdir $(iptables-URL))
-ipset := $(notdir $(ipset-URL))
-
-all: $(ALL)
-.PHONY: all
+ALL += iptables
+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-URL1))