Re: PUzzling sshd behaviour

From: Simon L. Nielsen (simon_at_FreeBSD.org)
Date: 09/05/03

  • Next message: Dwayne MacKinnon: "Re: PUzzling sshd behaviour" 
    Date: Fri, 5 Sep 2003 19:11:27 +0200
To: Dwayne MacKinnon <Dwayne.MacKinnon@xwave.com>

    On 2003.09.05 12:29:10 -0400, Dwayne MacKinnon wrote:
    > Ted Faber wrote:
    > >On Fri, Sep 05, 2003 at 12:04:04PM -0400, Dwayne MacKinnon wrote:
    > >
    > >>That much I know. I was just wondering why the daemon is trying DNS
    > >>lookup when the IP in question is listed in /etc/hosts. I thought
    > >>listings in /etc/hosts would supercede the need for a DNS lookup. Of
    > >>course, I could be wrong... it wouldn't be the first time. :-)
    > >
    > >
    > >If you haven't you need to check out /etc/host.conf , the file that
    > >configures the hostname lookup order (at least on 4.8).
    > >man 5 host.conf will tell you all about it. If you have already
    > >configured this, you might want to look again. (man -k resolver should
    > >help you find whatever it is on 5.x - I suspect it's nsswitch.)
    >
    > My host.conf is a FreeBSD 4.8 default one: it lists hosts, then bind.
    > That's why I don't understand why it's doing DNS... there's a listing in
    > hosts, and according to host.conf the hosts listing should be found first.

    Do you use Privilege Separation? That can give interesting results with
    DNS due to chroot into /var/empty... see the mailing lists archives. 

    -- 
Simon L. Nielsen
FreeBSD Documentation Team

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