> On Oct 2, 2017, at 11:31 PM, Viktor Dukhovni <postfix-us...@dukhovni.org> > wrote: > > >>> On Oct 2, 2017, at 7:27 PM, Peter <pe...@pajamian.dhs.org> wrote: >>> >>> With ifconfig being deprecated on Linux, does that mean that network >>> settings specified with newer commands that replace ifconfig will not >>> work ? >> >> I'm not entirely sure, but I would venture to say that it means that >> ifconfig libraries are used to fetch the IPs and subnets on the system. > > There are no "ifconfig libraries". There's the original socket API, > which provides the SIOCGLIFCONF, SIOCGIFCONF ioctls() to retrieve > the list of interfaces and one IP address per logical interface. > > Various platforms support newer, cleaner APIs to the same ends. > The documentation of mynetworks_style may be a bit out of date, > Postfix may well by now be able to find secondary IP addresses > of interfaces, even when not associated with a separate logical > interface.
Hi Viktor, Thank you for the clarification regarding ifconfig “libraries” and thanks for the link to the SCM - I will browse git later today. - J
