On amd64 it works. On x86 it gives the "Unknown arg `--icmp-type`" error that breaks shorewall and guarddog. At least for me.
-- libipt_icmp.so: undefined symbol: __stack_chk_fail_local https://launchpad.net/bugs/66681 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs