Hi Michiel!   
      
   Oct 03 15:06 2015, Michiel van der Vlist wrote to Markus Reschke:   
      
    MvdV> Indeed the MAC address gives out some information. I doubt it is    
    MvdV> all that useful for a hacker and if he wants the MAC address that    
    MvdV> he can not entice the system to reveal it in some other way.   
      
   It's not about hackers, it's about being tracked by advertising and marketing   
   companies.   
      
    MR>> And DNS is no real issue since most are used to DynDNS for quite a   
    MR>> while.   
      
    MvdV> Really? I haven't used it in years.. And only for IPv4, never for    
    MvdV> IPv6.   
      
   Not everyone got a static IP address inclusive. In Germany you would have to   
   choose an expensive business tariff for that.   
      
    MvdV> For a professional that may be an issue. For a hobby server. Mwah..    
    MvdV> it seldom happens and changing the AAAA record is no big deal..   
      
   If you have to do that 3 times within a few weeks, you'd automate it.   
      
    MvdV> I wonder what excuse the ISPs have for not simply issuing static    
    MvdV> IPv6 prefixes. Dynamic addresses made sense in the dial up age,    
    MvdV> when a small poool of adresses could be used for many more users    
    MvdV> because they never were on line all at once. That chaged with te    
    MvdV> coming of home routers that usually were left on 24/7 and so    
    MvdV> occupied an IP address 24/7. They needed one address per customer    
    MvdV> anyway.   
      
   Germany has a strong privacy law and ISPs are happy to charge you more for a   
   business trariff with a static address/prefix.     
      
    MvdV> With IPv6 there never was such an excuse anyway. There is no    
    MvdV> shortage of addresses and there will not be for the foreseeable    
    MvdV> future. Why not give everyone a static prefix?   
      
   I fully agree. The best approach would be to set dynamic prefixes as default   
   and let the customer change that to static if he likes to.   
      
    MvdV> AFAIK, the Dutch IPSs that offer native IPv6 all issue static    
    MvdV> prefixes.   
      
   Won't happen here :-(   
      
   Regards,   
   Markus   
      
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