[systemd-devel] Antw: [EXT] Re: [systemd‑devel] [RFC] systemd‑resolved: Send d‑bus signal after DNS resolution

Ulrich Windl Ulrich.Windl at rz.uni-regensburg.de
Thu Feb 17 10:09:24 UTC 2022


>>> Lennart Poettering <lennart at poettering.net> schrieb am 16.02.2022 um 18:59
in
Nachricht <Yg07j6B0CYTYd1Lr at gardel-login>:
> On Mi, 16.02.22 12:13, Dave Howorth (systemd at howorth.org.uk) wrote:
> 
>> > This could be used by applications for auditing/logging services
>> > downstream of the resolver, or to update the firewall on the system.
>>
>> Perhaps an example use case would help but I'm not clear how a DNS
>> resolution would usefully cause a state change in the firewall without
>> some further external guidance?
> 
> Yeah, I am not sure I grok the relationship to firewalls here,
> either. Updatign firewalls asynchronously based on DNS lookups sounds
> wrong to me...

Unless you want to implement nice backdoors ;-)

> 
> Lennart
> 
> ‑‑
> Lennart Poettering, Berlin





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