Re: force IPv6 dynamic address?

[Tim Woodall <debianuser@woodall.me.uk>]

On Wed, 23 Mar 2022, Tim Woodall wrote:

> On Wed, 23 Mar 2022, Jeremy Ardley wrote:
>
> > I have a debian workstation with a static IPv6 address mapped in DNS as 
> > well as dynamic addresses which change with time.
> >
> > The problem I have is that when my thunderbird mail client connects to 
> > gmail it always uses the static IPv6 address as originator and this shows 
> > up in the headers of the delivered mail.
> >
> > How can I make my system and/or thunderbird use the constantly changing 
> > dynamic IPv6 address instead?
>
> I believe it's setting this to 2 that you want (I think there's a
> setting to go in eni to do this too)
>
> https://sysctl-explorer.net/net/ipv6/use_tempaddr/
>
> Tim.
man interfaces

privext int
       Privacy extensions (RFC4941) (0=off, 1=assign, 2=prefer)