Re: DNS domain is invalid?

From: <rodrigo.castro@dont-contact.us>
Date: Wed, 09 Jun 1999 14:06:44 +0200

> Hi,
>
> I've searched the archives and haven't found the answer yet so
> I'm moving to the next step (all of you:).
>
> We have Squid 2.2.STABLE2 up but not running. When I try to
> connect to an external site (Yahoo in this example) we get:
>
> ---
> The requested URL could not be retrieved
>
> While trying to retrieve the URL: http://www.yahoo.com/
>
> The following error was encountered:
>
> Unable to determine IP address from host name for www.yahoo.com
>
> The dnsserver returned:
>
> DNS Domain 'www.yahoo.com' is invalid: Host not found (authoritative).
>
> This means that:
>
> The cache was not able to resolve the hostname presented in the URL.
> Check if the address is correct.
>
> Generated Mon, 07 Jun 1999 18:10:16 GMT by gk2.qms.com
> (Squid/2.2.STABLE2)
>
> ---
>
> This is a dual-homed Sparc 10 running Solaris 5.7. DNS is
> resolving properly on the system:
>
> # nslookup www.yahoo.com
> Server: gatekeeper.qms.com
> Address: 161.33.3.1
>
> Name: www.yahoo.com
> Addresses: 204.71.200.68, 204.71.200.74, 204.71.200.75, 204.71.200.67
>
>
> # echo www.yahoo.com | ./dnsserver
> $addr 0 204.71.200.74 204.71.200.75 204.71.200.67 204.71.200.68
>
>
> /etc/nsswitch.conf contains the following line:
>
> hosts: dns files
>
>
> And finally when we put a sniffer on the network segment that the
> external interface is on there is absolutely *no* Squid traffic on the
> wire when attempting to get to Yahoo. No DNS query to the server
> (although we *do* see the domain traffic when the nslookup and
> echo...dnsserver commands are issued) and therefore no traffic from
> the proxy trying to get to Yahoo (since it can't resolve to an IP
> address).
>
> I know I'm missing something simple but haven't found what it is.
> Any help is appreciated. Thanks.
>

Hello John,

Try to run nslookup with the same user squid runs. If you couldn't run it, i would test the owner and permissions of dns files, for instance, /etc/nsswitch.conf and /etc/resolv.conf.

----------------------------------------------
        Rodrigo Castro
        e-mail: rodrigo.castro@rediris.es
        Tel: 91 585 51 45

        RedIRIS
        C/Serrano 142
        28006 - Madrid
----------------------------------------------
Received on Wed Jun 09 1999 - 06:13:28 MDT

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