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Tip #40: Using OpenDNS With Your Cradlepoint Router

 
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Torrey
3Gstore Employee


Joined: 09 May 2007
Posts: 656
Location: USA
PostPosted: Thu Feb 11, 2010 11:41 am    Post subject: Tip #40: Using OpenDNS With Your Cradlepoint Router Reply with quote
In the past we've talked about how OpenDNS speeds up mobile broadband and provides extra security. Since Google is now offering DNS services, we have decided to revisit this topic & compare the two services and also provide instructions for using OpenDNS with your Cradlepoint Router.

Read #40: Using OpenDNS With Your Cradlepoint Router
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artemis
EVDO User


Joined: 31 Jul 2009
Posts: 27
PostPosted: Thu Feb 11, 2010 2:20 pm    Post subject: Reply with quote
I used to use opendns until it broke turbotax links because the default settings of opendns do not properly support the DNS-required NXDomain response.

Although you can change the opendns settings to get this functionality back, if your connection has a dynamic IP address you need to configure it to continually update opendns with the new number (which cradlepoint can do). Or if your router doesn't support this feature, you have to run a client on your machine to do it. What a hassle.

If only opendns made being RFC compliant the default this would be a great service. I know that the reason OpenDNS does this is so they can make money, but when it breaks software, that excuse wears thin. Google DNS for me, for now.

But you might want to update your tip sheet so that it shows how to configure opendns and cradlepoint to support NXDOMAIN so it won't break people's software that rely on this required feature of DNS for full functionality.
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Luka
EVDO Junkie


Joined: 07 Mar 2007
Posts: 220
Location: Pacific Northwet
PostPosted: Fri Apr 16, 2010 1:46 pm    Post subject: Re: Tip #40: Using OpenDNS With Your Cradlepoint Router Reply with quote
Torrey wrote:
In the past we've talked about how OpenDNS speeds up mobile broadband and provides extra security. Since Google is now offering DNS services, we have decided to revisit this topic & compare the two services and also provide instructions for using OpenDNS with your Cradlepoint Router.

Read #40: Using OpenDNS With Your Cradlepoint Router


Hey Torrey,

How do I, GET RID OF, Open dns ?

Cradlepoint CTR350 router.

Talk about dns poisoning...

If I click on a link, and it doesn't open up immediately, open dns comes up and says I was trying to open a link and it wouldn't open, would I like to go to: a list of different links, one of which is always the very link I tried to open.

Then... Open DNS just plain refuses to let me go to that link, ever again.

Click on it in their own list of links... get the same page back.

Close that tab, and try again from the beginning, get that same list page.

The link is a good one. Wait a while and try the ink again, and there it is. There never was anything wrong with the link. Open dns is like a pit bull. Once they grab that link and redirect you, they simply refuse to let go, until you give up and go limp.

All the while, the browser is going to any other link that I want to go to.

Open DNS has simply taken over for a while, for that particular link !!!

I want them out.

I went to 192.168.0.1...

>Basic

>WAN

>DNS and advanced settings

And changed the settings to 4.2.2.1 and 4.2.2.2.

Saved the changes.

No difference whatever.

Go to the status page, and it STILL says that the default dns settings are open dns.

Save. Reboot the browser. Same-o. Save again. Reboot the computer. Same-o. Etc...

I have done this several times over the past few weeks. Always the same results. Open DNS just stays in there, and just keeps taking control and redirecting me. It is to the point where I am thinking of them as some sort of virus or trojan horse !!
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Michael
Site Admin


Joined: 13 Jan 2005
Posts: 5633
Location: Cary, IL
PostPosted: Fri Apr 16, 2010 2:53 pm    Post subject: Reply with quote
The problem may be that your operating system is caching the DNS results and you need to flush the cached DNS results. More info at:

http://www.topbits.com/how-to-flush-dns.html
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dario
3Gstore Employee


Joined: 03 Jan 2008
Posts: 227
Location: Tampa Bay Florida
PostPosted: Fri Apr 16, 2010 4:07 pm    Post subject: Reply with quote
Besides Flushing the DNS, in Win I would also reset the winsock as well.
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Luka
EVDO Junkie


Joined: 07 Mar 2007
Posts: 220
Location: Pacific Northwet
PostPosted: Sun Apr 18, 2010 10:29 am    Post subject: Reply with quote
Michael wrote:
The problem may be that your operating system is caching the DNS results and you need to flush the cached DNS results. More info at:

http://www.topbits.com/how-to-flush-dns.html


Hi Michael.

I am running Kubuntu.

This system doesn't cache dns results.

The problem is in the router.

It refuses to give up opendns as the default dns server.

Here are two pics to illustrate, (If I can get pictures posted here)


This one shows that I have set the primary and secondary dns servers.

I saved, rebooted the browser, then even rebooted the computer.

When I come back in, in this section it still says the same. Showing that it was indeed "saved".

But...

If you then go to the staus page, this is what it shows as the primary and secondary dns.



The changes were made. The changes were saved. Why does the router insist on continuing to use opendns, against my wishes/settings ???
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