Mailinglist Archive: opensuse (769 mails)

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Re: [opensuse] DHCPv6-PD request
On 2016-05-26 19:23, James Knott wrote:
On 05/26/2016 09:20 AM, Carlos E. R. wrote:
As for finding addresses in mails, they
are typically random. By default in openSUSE. See "IPv6 privacy
But if you want to make use of things like VoIP you would need a fixed
address, non private, because you do want to do things needing being
Many services, such as VoIP, are designed to use a server only for call
setup and then the end devices switch to peer to peer mode for the duration.

If I remember correctly, skyp uses intermediaries all the time in order
to traverse nat and firewalls.

You get both type of addresses for a computer? How know applications
which one to use?

Are you referring to the 2 address types I mentioned? If so, apps, such
as browsers, will only use the random number address. The MAC based
address is used only when you want to make a computer publicly available
to others and advertise it via DNS.

And /proc/sys/net/ipv6/conf/eth0/use_tempaddr says which to use.

Cheers / Saludos,

Carlos E. R.
(from 13.1 x86_64 "Bottle" at Telcontar)

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