Mailinglist Archive: opensuse (686 mails)

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Re: [opensuse] IPv6 - do you use SLAAC or DHCP ?
  • From: Per Jessen <per@xxxxxxxxxxxx>
  • Date: Wed, 03 Jul 2013 10:09:13 +0200
  • Message-id: <kr0m79$p68$>
Hans Witvliet wrote:

-----Original Message-----

For outgoing, at least for a mailserver, it does matter a lot which
address is being used. Using the random address would mean the
receiving server would have no way of identifying the sending server.

If using dhclient6 actually means not getting a random address
assigned, that's probably what I need to do.

-----Original Message-----
I surely hope that you use something else then your ip for
identifying... -) So you probably mean "the (sub-)net allowing

The first thing e.g. postfix does is do a reverse lookup of the IP of an
inbound connection. Then it does a forward lookup.

V6 offers some privacy by using random numbers instead of fixed
mac-addresses. One of the nicest things about v6 is, that you can add
a lot of multiple addresses to you NIC.

Hmm, but that works with IPv4 too?

Per Jessen, Zürich (17.8°C) - free DNS hosting, made in Switzerland.

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