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Except for Great Britain. According to ISO 9166 and Internet reality Great Britain's toplevel domain should be _gb_. Instead, Great Britain and Nortern Ireland (the United Kingdom) use the toplevel domain _uk_. They drive on the wrong side of the road, too. -PERL book (or DNS and BIND book)
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\ / \/ (__) /\ (oo) O O _\/_ // * ( ) // \ (\\ // \( \\ ) ( \\ ) /\ ___[\______/^^^^^^^\__/) o-)__ |\__[=======______//________)__\ \|_______________//____________| ||| || //|| ||| ||| || @.|| ||| || \/ .\/ ||
sysctl -w net.ipv4.icmp_echo_ignore_all=1