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Old 02-10-2006, 10:34 PM   #1
wilby
LQ Newbie
 
Registered: Feb 2006
Posts: 11

Rep: Reputation: 1
DNS or ROUTER has cut me off from the internet


Hello all. I host a small web page from my home using my road runner
account. I don't have alot of traffic (only about 4000 hits a month) so it suites me fine. I use no-ip.com to route my url webstartright.com to
my dynamic ip.
For some reason I got it into my head to set up my lan with my domain
name (My initial goal was to be able to ssh with the host name alone.
This was a failure). I am running Slackware 10.1 on my web/mail/dns
server. I started by reading the bind/named howto at ldp. I setup my
/etc/named.conf file, my /var/named/named.webstartright.com zone file
and my reverse dns and localhost files as well per that how to. I
thought I was successful because I could use /webstartright.com
to access my site internally as well as mobile.webstartright.com
to get to the webserver on my laptop and
central.webstartright.com to get to the webserver on my
win/linux dual boot machine.When I went to bed last night I could still
surf the net.

This morning I tried to get to google.com and mozilla tells me it can
not resolve the host name ( uh oh, this is what I get for playing with
a system that works) .

So I do all the simple things that could cause this issue. I unplug the
router and cable modem and restart all my machines. NO GOOD.

Then I decided to disable the dns server so I commented out all the
lines in /etc/named.conf and just in case there's a point to the file
somewhere else I renamed /var/named/named.webstartright.com which of
course I had a pointer to in /etc/named.conf.

This didn't work either.

So just to get on the net so I could post here I plugged my modem
directly into my dual boot machine and here I am.

Finally to my question, can a dns server cause me to have no access to
the external internet? What should I do now?

My lan set up

Router - linksys wireless/4port router/switch
|
---------------------------------
| | |
central server mobile
|
__________ This machine is my web server, mail
server and since last night dns server.

my /var/named/named.webstartright.com file looked something like this

$TTL server.webstartright.com.
root.webstartright.com.
@ ( time out
options )
IN A server.webstartright.com.
server IN A 192.168.0.4
MX 10 mail
TXT "Open source review"
central IN A 192.168.0.2
mobile IN A 192.168.0.3

www IN CNAME server

ftp ..............etcetera

This is basically what it looked like from memory, Is it the internal
ip addresses that are causing my issues?

I am also suspecting now that it may be my router. I can ping and ssh inside my network but not to the internet. If I log into my router I can ping the internet with the software in that. It's a linksys wireless g router/switch. If it's my router it's the second one in a year that's done this exact same thing to me.

Please, any help would be great. Until I fix this my webserver is down.
Thanks all.
 
Old 02-11-2006, 02:59 PM   #2
win32sux
LQ Guru
 
Registered: Jul 2003
Location: Los Angeles
Distribution: Ubuntu
Posts: 9,870

Rep: Reputation: 380Reputation: 380Reputation: 380Reputation: 380
Quote:
Originally Posted by wilby
Finally to my question, can a dns server cause me to have no access to the external internet?
not really... the most it could do to you is, well, stop providing DNS service... in which case you should still be able to ping Internet IP addresses...
 
Old 02-11-2006, 09:44 PM   #3
wilby
LQ Newbie
 
Registered: Feb 2006
Posts: 11

Original Poster
Rep: Reputation: 1
Thanks. Ended up being a bad router. Second router to kick the bucket on my in less than a year but at least it's working again.
 
  


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