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You are here: MacNN Forums > Enthusiast Zone > Networking > Google and Yahoo just don't work.

Google and Yahoo just don't work.
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Nov 29, 2008, 08:28 PM
 
This has got to be the most bizarre problem ever.

I can't load Google or Yahoo on my PowerMac G4.

Rebooting doesn't fix it. Getting a different IP from my router doesn't fix it. It's freaking weird. If I try to ping either address in Terminal, I get "No route to host". I can access any other site on the Internet - just not Google or Yahoo.

Has anyone seen this before? Any clue what the heck is going on? I also don't have this problem on any of the other machines on my network, including other Macs.
For all the trash I talk, I sure own a lot of Macs...
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Nov 29, 2008, 08:36 PM
 
Check your DNS entries on the problem machine and compare it to those that work.

You can also flush your powermac's dns cache by using dscacheutil -flushcache if it is using Leopard.
If older it should accept lookupd -flushcache instead.

If a dns comparison doesn't reveal anything and a cache flush doesn't help, try changing the machine's DNS servers manually to use known good ones such as those at OpenDNS, 208.67.222.222 and 208.67.220.220
     
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Nov 29, 2008, 08:55 PM
 
How can I view the existing DNS entries?

Also: flushing DNS and changing to a known good server didn't do it either.
For all the trash I talk, I sure own a lot of Macs...
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Nov 29, 2008, 08:58 PM
 
System Preferences > Network > [interface: ethernet, aiport, etc] will show DNS entries. You may need to click 'advanced' then the DNS tab to see those that your router provides.
     
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Nov 29, 2008, 09:04 PM
 
Oh, I see what you're talking about. Yeah, the DNS server is set to the router's IP - 192.168.1.1

Just to see what happened, I put my G4's IP in my router's DMZ. I was able to then get to Google. I disabled the DMZ and could still get to Google. Yahoo is still borked, however.

So it would appear that somewhere between the router and the computer, something isn't working properly. I'm running DD-WRT at the moment.
For all the trash I talk, I sure own a lot of Macs...
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Nov 29, 2008, 09:34 PM
 
Incidentally, I forgot until just now that VNC has also quit working entirely (using Vine VNC). I have to create an SSH tunnel and VNC through that.

It seems like something is really FUBAR on this thing.
For all the trash I talk, I sure own a lot of Macs...
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Nov 30, 2008, 03:39 AM
 
Add OpenDNS IPs to you router. Force it to not use the ISP's DNS, but rather those two provided by OpenDNS.
     
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Nov 30, 2008, 10:36 AM
 
I really don't think the router's DNS is the problem - no other machines on my network have this issue, and if I put the G4 in the DMZ, it can get to Google (I'm sure it could also get to Yahoo if I went to that site while in the DMZ). The DMZ is still using Comcast's DNS servers, so I'd say that's not the issue here.
For all the trash I talk, I sure own a lot of Macs...
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