# File lib/simp/cli/config/utils.rb, line 21
    def validate_ip ip
      # using the native 'resolv' class in order to minimize non-EL rubygems
      # snarfed from:
      # http://stackoverflow.com/questions/3634998/how-do-i-check-whether-a-value-in-a-string-is-an-ip-address
      require 'resolv'
      ((ip =~ Resolv::IPv4::Regex) || (ip =~ Resolv::IPv6::Regex)) ? true : false
    end