filter = Net::LDAP::Filter.eq("cn", "Josh*")
base = "dc=alliance-dc,dc=alliance"

ldap.search(:base => base, :filter => filter) do |entry|

  puts "DN: #{entry.dn}"
  entry.each do |attribute, values|
    puts "   #{attribute}:"
    values.each do |value|
      puts "      --->#{value}"
    end
  end

end