I also see this when trying to UDP ping IPv6 hosts: Sorry, UDP Ping (-PU) only works if you are root (because we need to read raw responses off the wire) and only for IPv4 (cause fyodor is too lazy right now to add IPv6 support and nobody has sent a patch)
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1003326 Title: IPv6 hosts incorrectly reported down To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nmap/+bug/1003326/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs