changing /etc/hosts, LDAP,
external DNS or whatever might not be an option due to to local
restrictions.
That is, I think there should be a principle of "minimise client
guessing games". So, even if multiple entries makes sense for
Hostname, I would still be inclined to disagree with any proposal to
add this feature.
I disagree. ssh handles DNS returning several A and AAAA records
quite well. Having multiple IP address entries in the Hostname line
would be the same "guessing game".
IPv6 should no longer be ignored or considered as "not important for
us". Dual stack is state of the art today.
Demonstrating that no good deed goes unpunished, this is what happens
when you allow abuse of Hostname, which is for the singular, official
*name*, with an IP address: people start expecting that it should also
handle multiple IP addresses.
This feels like a discussion about multiple addresses for private hosts
with non-public IP addresses on a local network. You can just pick one!
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