[systemd-bugs] [Bug 80169] please introduce more special targets for facilities like entropy, or netfilter rules

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=80169

--- Comment #4 from Christoph Anton Mitterer <calestyo at scientia.net> ---
Perhaps one last comment... about network.target, network-pre.target  vs. 
network-secured.target

I think that "in the future" daemons should usually not depend on something
like network.target... since networking get's more and more dynamic, a service
like postfix would ideally discover network interfaces as they appear (and I
think this is also one of the base ideas of systemd)...
Truth is of course, that most services don't do this already, some perhaps
never will.

So in a way, one needs a "network.target"... but it should be rather made clear
that this is legacy... and ideally it's defined meaning should be constrained
to something like:
- main network interface(s) are up, routes set
- DNS for the main network is up
- full stop

What "main network" is should be undefined... this could be a intranet... or
the internet.


So while network-secured.targed, should be something that really *every* daemon
or other services that does networking should Require=...
network.target/network-pre.target should be rather something for legacy
services and especially to be locally used (for hacks ;-) ) by sysadmins.


Cheers,
Chris.

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