Here's the dig-google.pcap file attached, if it helps.<div><br clear="all">Best Regards,<br>Gaurav<br>
<br><br><div class="gmail_quote">On Tue, Mar 9, 2010 at 1:25 AM, Gaurav N. <span dir="ltr"><<a href="mailto:gaurav.knangla@gmail.com">gaurav.knangla@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
<div>UPDATE:</div><div><br></div><div>I tried with FreeBSD8 as well and the DNS query didn't work. This is beginning to look more and more like an issue with my <span style="font-family:arial, sans-serif">UTStarcom <em style="font-style:normal">WA3002G4 ADSL2+ Router and its NAT config or the lack of it.</em></span></div>
<div><span style="font-family:arial, sans-serif"><em style="font-style:normal"><br></em></span></div><div><span style="font-family:arial, sans-serif"><em style="font-style:normal">My setup and the ip addresses:</em></span></div>
<div><span style="font-family:arial, sans-serif"><em style="font-style:normal">Router 192.168.1.1</em></span></div><div><span style="font-family:arial, sans-serif"><em style="font-style:normal">Windows <em style="font-style:normal">192.168.1.2</em></em></span></div>
<div><span style="font-family:arial, sans-serif"><em style="font-style:normal"><em style="font-style:normal">Centos 5.4 <em style="font-style:normal">192.168.1.3</em></em></em></span></div>
<div><span style="font-family:arial, sans-serif"><em style="font-style:normal"><em style="font-style:normal"><em style="font-style:normal">FreeBSD8 <em style="font-style:normal">192.168.1.4</em></em></em></em></span></div>
<div><span style="font-family:arial, sans-serif"><em style="font-style:normal"><em style="font-style:normal"><em style="font-style:normal"><em style="font-style:normal"><br></em></em></em></em></span></div>
<div><span style="font-family:arial, sans-serif"><em style="font-style:normal"><em style="font-style:normal"><em style="font-style:normal"><em style="font-style:normal"><em style="font-style:normal">The windows host works fine with no issues with DNS queries.</em></em></em></em></em></span></div>
<br clear="all">Best Regards,<br><font color="#888888">Gaurav</font><div><div></div><div class="h5"><br><br>
<br><br><div class="gmail_quote">On Tue, Mar 9, 2010 at 12:08 AM, Gaurav Nangla <span dir="ltr"><<a href="mailto:gaurav.knangla@gmail.com" target="_blank">gaurav.knangla@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div>[root@cent5 ~]# dig <a href="http://www.google.com" target="_blank">www.google.com</a> @<a href="http://208.67.220.220" target="_blank">208.67.220.220</a></div><div><br></div><div>; <<>> DiG 9.3.6-P1-RedHat-9.3.6-4.P1.el5 <<>> <a href="http://www.google.com" target="_blank">www.google.com</a> @<a href="http://208.67.220.220" target="_blank">208.67.220.220</a></div>
<div>
<div>;; global options: printcmd</div><div>;; connection timed out; no servers could be reached</div><div><br></div></div>Best Regards,<br><font color="#888888">Gaurav</font><div><div></div><div><br>
<br><br><div class="gmail_quote">On Mon, Mar 8, 2010 at 5:21 PM, Pitshou Asingalembi <span dir="ltr"><<a href="mailto:depitsho@yahoo.fr" target="_blank">depitsho@yahoo.fr</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div><div></div><div>John R Pierce wrote:<br>
> Gaurav Nangla wrote:<br>
><br>
>> I can ping the <a href="http://google.com" target="_blank">google.com</a> <<a href="http://google.com" target="_blank">http://google.com</a>> ip addresses<br>
>> (209.85.231.104) but can't ping the FQDN, obviously DNS is broken.<br>
>><br>
>> I can also ping the nameserver ip addresses specified in /etc/resolv.conf.<br>
>><br>
><br>
> well, the DNS servers given by your resolv.conf output seem valid from<br>
> here.. I recommend doing some more debugging with `host` or similar DNS<br>
> diagnostic tools.<br>
><br>
> note regular DNS lookups like these tend to use UDP rather than TCP, if<br>
> you're behind a NAT firewall which doesn't allow outbound udp port 53<br>
> and connection track the response, then things might not work well.<br>
><br>
><br>
> $ host <a href="http://google.com" target="_blank">google.com</a> 208.67.220.220<br>
> Using domain server:<br>
> Name: 208.67.220.220<br>
> Address: 208.67.220.220#53<br>
> Aliases:<br>
><br>
> <a href="http://google.com" target="_blank">google.com</a> has address 74.125.19.105<br>
> <a href="http://google.com" target="_blank">google.com</a> has address 74.125.19.99<br>
> <a href="http://google.com" target="_blank">google.com</a> has address 74.125.19.103<br>
> <a href="http://google.com" target="_blank">google.com</a> has address 74.125.19.106<br>
> <a href="http://google.com" target="_blank">google.com</a> has address 74.125.19.147<br>
> <a href="http://google.com" target="_blank">google.com</a> has address 74.125.19.104<br>
> <a href="http://google.com" target="_blank">google.com</a> mail is handled by 400 <a href="http://google.com.s9b2.psmtp.com" target="_blank">google.com.s9b2.psmtp.com</a>.<br>
> <a href="http://google.com" target="_blank">google.com</a> mail is handled by 200 <a href="http://google.com.s9a2.psmtp.com" target="_blank">google.com.s9a2.psmtp.com</a>.<br>
> <a href="http://google.com" target="_blank">google.com</a> mail is handled by 300 <a href="http://google.com.s9b1.psmtp.com" target="_blank">google.com.s9b1.psmtp.com</a>.<br>
> <a href="http://google.com" target="_blank">google.com</a> mail is handled by 100 <a href="http://google.com.s9a1.psmtp.com" target="_blank">google.com.s9a1.psmtp.com</a>.<br>
><br>
> $ host <a href="http://google.com" target="_blank">google.com</a> 208.67.222.222<br>
> Using domain server:<br>
> Name: 208.67.222.222<br>
> Address: 208.67.222.222#53<br>
> Aliases:<br>
><br>
> <a href="http://google.com" target="_blank">google.com</a> has address 74.125.19.105<br>
> <a href="http://google.com" target="_blank">google.com</a> has address 74.125.19.147<br>
> <a href="http://google.com" target="_blank">google.com</a> has address 74.125.19.99<br>
> <a href="http://google.com" target="_blank">google.com</a> has address 74.125.19.103<br>
> <a href="http://google.com" target="_blank">google.com</a> has address 74.125.19.104<br>
> <a href="http://google.com" target="_blank">google.com</a> has address 74.125.19.106<br>
> <a href="http://google.com" target="_blank">google.com</a> mail is handled by 400 <a href="http://google.com.s9b2.psmtp.com" target="_blank">google.com.s9b2.psmtp.com</a>.<br>
> <a href="http://google.com" target="_blank">google.com</a> mail is handled by 200 <a href="http://google.com.s9a2.psmtp.com" target="_blank">google.com.s9a2.psmtp.com</a>.<br>
> <a href="http://google.com" target="_blank">google.com</a> mail is handled by 300 <a href="http://google.com.s9b1.psmtp.com" target="_blank">google.com.s9b1.psmtp.com</a>.<br>
> <a href="http://google.com" target="_blank">google.com</a> mail is handled by 100 <a href="http://google.com.s9a1.psmtp.com" target="_blank">google.com.s9a1.psmtp.com</a>.<br>
> _______________________________________________<br>
> CentOS mailing list<br>
> <a href="mailto:CentOS@centos.org" target="_blank">CentOS@centos.org</a><br>
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><br>
><br>
</div></div>please try:<br>
dig <a href="http://www.google.com" target="_blank">www.google.com</a> @IPofyourDNSserver<br>
and send me the output<br>
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