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Why is OpenDNS blocking sites in Safari?

I upgraded Safari last night through Software Update.


This morning I tried to go to one of my regular sites and OpenDNS blocks me from it.


I don't use OpenDNS. I did a couple of years ago when I was having speed issues with Safari. It didn't help so I dropped it. Turned out that was a modem problem that couldn't handle DNS prefetching.


So why is it back? Why is it blocking me? And how do I stop it?

iMac, Mac OS X (10.7.2), 21.5 inch, Mid-2010

Posted on May 11, 2012 6:09 AM

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Posted on May 11, 2012 8:57 AM

Romantic Heretic wrote:


Those two numbers are the only two numbers in Network Preferences.


Then you are using OpenDNS servers to resolve your Domain Names into IP addresses (the numbers for websites)


Doesn't matter if you have a account with them or not, they allow people to use their DNS for free and customized options like content filtering is a added charge requiring a account.



I don't understand why something I'm not using has decided what I can and cannot access on the internet.


Your DNS settings were changed, your choosing to use OpenDNS as you have their numbers typed into your Network Preferences.


OpenDNS is blocking sites with the Flashback malware, and other bad sites, perhaps it actually saved your bacon and you dont know it.




You can choose another DNS service and enter new numbers into your Network Preferences.


Use the free NameBench here and run it, it will test the fastest DNS servers and also you will see your own ISP's DNS servers and can choose what you want to to reset them to. However you might not be getting any online protection.


https://code.google.com/p/namebench/



Only perhaps your own ISP's DNS is not blockling anything, I think Google and OpenDNS etc are all blocking malware/attack sites by default.



If your paranoid, just to let you know everyone is recording everything. There is no privacy on the Internet really, just a illusion of privacy.

21 replies

May 11, 2012 5:25 PM in response to MadMacs0

It's been fixed. Plus I went out and had dinner an a couple of beers.


Apparently my ISP assigned me a new IP address used by a former OpenDNS user that blocked my sites. An admin at OpenDNS released the IP to my account and no sites are blocked now.



MadMacs0 wrote:


It want's your current external modem IP which you can find by going to http://www.whatismyip.com/.


Thanks. I'll set that up.

May 11, 2012 6:24 PM in response to Romantic Heretic

Romantic Heretic wrote:


Apparently my ISP assigned me a new IP address

Which they most certainly will do again unless you pay extra to get a static IP address.


What you need to do is use a utility which checks your IP address periodically and reports changes to OpenDNs. I used one that they provided for awhile, but it failed a in it's job somewhere along the line, so I switched to DNS-O-Matic and it's been flawless.

Why is OpenDNS blocking sites in Safari?

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