Hello!
I work in Red Hat as a software engineer, working in RHEL on components
like dnsmasq and unbound. I would like to improve ability of Linux to
use multiple interfaces at the same time, using localhost caching DNS proxy.
RFC 8801 provisioning domains allows Router Advertisement messages to
contain network identification name. Which in combination with
additional TLS verified server name can identify the network I am on. In
trusted manner.
This is just great and I love it, but I lack similar approach to be used
from DHCPv4 server on the same network. Yes, for a common clients and
simple networks there would be usually just one DHCP server. I think
quite similar DHCP option would be useful also on IPv4 networks.
I am especially interested in additional information dnsZones [1]
property. Is there a correct way, how should IPv4 only host obtain
similar information from network it is connected into? Is there reason,
why similar option is not offered over DHCP protocol, both in IPv4 and
IPv6 variant?
I have some expertise in DNS protocol and understanding of DHCP or RA
messages. But I failed to find how exactly the same information can be
obtained without Router Advertisement messages. Should be RA message
used somehow even on IPv4 protocol?
Is this RFC already implemented on any released OS, including IPv4 support?
Thank you in advance!
Regards,
Petr Menšík
1.
https://www.rfc-editor.org/rfc/rfc8801.html#name-pvd-additional-information-
--
Petr Menšík
Senior Software Engieer, RHEL
Red Hat, https://www.redhat.com/
PGP: DFCF908DB7C87E8E529925BC4931CA5B6C9FC5CB
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