Re: OpenSSH and hostname resolution issues on Solaris

From: Vic Abell (abe@cc.purdue.edu)
Date: 11/08/02


From: abe@cc.purdue.edu (Vic Abell)
Date: Fri, 8 Nov 2002 20:50:58 +0000 (UTC)

per@hedeland.org (Per Hedeland) writes:

>Why would sshd do forward lookups? What names would it have to do
>forward lookups on? How could anyone think that it would do forward
>lookups? (All assuming that it hasn't *first* done a reverse lookup, but
>since it says "prevent sshd from making DNS requests", it obviously
>hasn't.) If you invest a fraction of a second of thought, it should be
>obvious that the section above is talking primarily about reverse
>lookups.

I believe the OP said that sshd was compiled with TCP wrappers.
If that is true, then I believe the libwrap functions do a forward
lookup on the name acquired during the reverse lookup of the IP
address to make sure the name maps to the starting IP address.

Vic Abell



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