[Bug 424371] Re: Logins to OpenSSH server slow due to "UseDNS yes" config

[Brian Kelley]

After reading more about UseDNS, the more pertinent issue is what is the
point of it at all if a false IP for the hostname is still accepted as a
valid connection.

Also, why is there no setting to make it timeout after a certain number
of seconds (aka, what if the DNS request didn't time out for a minute,
as some on the web are finding)?  There should be a setting to force a
DNS timeout.

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Logins to OpenSSH server slow due to "UseDNS yes" config
https://bugs.launchpad.net/bugs/424371
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