[ale] RH8 "Temporary failure in name resolution"

matty91 at bellsouth.net matty91 at bellsouth.net
Mon Feb 17 11:01:08 EST 2003


nscd just caches credentials (passwd/usernames), hostnames, DNS entries,
etc (take a look at nscd.conf). "nsswitch.conf" on the other hand tells
the appropriate libc routines which name services (ldap, files, nis, etc.)
to look in.

- Ryan

On Mon, 17 Feb 2003, Dow Hurst wrote:

> If I remember correctly the resolver is now handled by nsd or the nscd
> daemon.  So you configure it with /etc/nsswitch.conf and start the
> daemon with an init script in /etc/init.d or /etc/rc.d.
> Dow
>
>
> Kevin Krumwiede wrote:
>
> >I upgraded my home network router to RH8.  Machines behind the router
> >can resolve hostnames just fine (dhcpd on the router sets them up with
> >my ISP's DNS servers... haven't set up a cacheing nameserver yet.)
> >However, programs on the router itself are not able to resolve
> >hostnames, except for those in /etc/hosts.
> >
> >I do not think it is my firewall rules.  The first rules in the INPUT,
> >OUTPUT, and FORWARD chains accept established/related packets, and I
> >explicitly allowed access to the DNS servers in the OUTPUT chain.
> >Later, growing a bit frustrated, I changed all the chain policies to
> >ACCEPT.  No love.  Then I added -j LOGDROP to the end of all of them to
> >see what's going on.  Nothing was logged.  Apparently no attempt is
> >being made to transmit packets to the nameserver.
> >
> >So I guess it's a problem with my resolver configuration.
> >/etc/resolv.conf contains a 'search' statement with what I guess is the
> >hostname my ISP has assigned me, and two 'nameserver' statements for the
> >ISP's nameservers.  /etc/host.conf contains 'order hosts,bind'.
> >
> >Anything else I should be looking at?
> >
> >Krum
> >
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> >Ale at ale.org
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> >
> >
> >
>
> --
> __________________________________________________________
> Dow Hurst                  Office: 770-499-3428
> Systems Support Specialist    Fax: 770-423-6744
> 1000 Chastain Rd., Bldg. 12
> Chemistry Department SC428  Email:dhurst at kennesaw.edu
> Kennesaw State University         Dow.Hurst at mindspring.com
> Kennesaw, GA 30144
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