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Netgear router blocks Adobe.com

Hello,
my Netgear router DG834 blocks now for over half a year the page www.adobe.com.
So far it wasn't a problem for me, but now I need to download an update and can't access the page. No matter which computer I use, I tried four different computers, but none were able to access the page.
I'm using Windows XP and the DG834 has firmware version V3.01.25.
Any ideas?
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Macindows
Asked:
Macindows
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3 Solutions
 
jmeyer17Commented:
Have you gone into your router to see if there is something blocking it in there?  There is a selection on the left side of the router setup wizard for site blocking.  Since it is blocking for all of your computers, there might be something in there.  If not, the only other thing I can think of is a bad router hop where you will need to contact your ISP to correct the issue.
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MacindowsAuthor Commented:
Hi, yeah I checked that already. There are no keywords blocking any site. Everything is blank.
What do you mean by bad router hop?
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jmeyer17Commented:
When you try to go to a site, the request travels the shortest path starting at your computer, to the router, to your ISP, then various stops until it reaches the end destination, in this case Adobe.com .  Depending on how your ISP has you configured, there may be a bad hop in there that is causing an infinite loop that is not allowing you to reach the end destination.

The only other things I can think of are possible firewall blockages, are you using the windows firewall or a third party firewall like Zone Alarm?

Also,  What are your MTU settings on your computer and router?  MTU (Maximum Transfer Unit) specifies the maximum transmission unit size of an interface.  They are most likely set at 1500 (default for ethernet) and you might want to try lowering them a little.  I doubt this would be the issue since you can not access the page at all, I would expect this more if you were getting errors downloading the file.
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MacindowsAuthor Commented:
I'm using the Windows XP firewall and AntiVir from Avira. But it's definitly not the firewall because I'm able to access Adobe.com from other places with my computer. Only when I'm home and connected to my router, I'm not able to access the site.
So I guess the problem is the bad hop.
However, just in case. How do I change the MTU settings?
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jmeyer17Commented:
Here is a link for your computer:

http://support.microsoft.com/kb/283165

And for your router:

It sounds like the DG834 has a default of 1458.

Access router
Go to WAN setup
Change MTU size to 1400
Click apply
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MacindowsAuthor Commented:
Thanks jmeyer17,
I'll try that. And if it still won't work I'm gonna call my ISP and ask them to check that bad hop loop thing!
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jmeyer17Commented:
One question, are you using AOL DSL by chance?  While doing a little research on this topic I notice many similar issues with this model router and AOL.  Strange but true.
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