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Unable to View Websites Correctly - SBS 2008 Network

A client of mine called me on friday stating that she is now unable to view certain websites correctly. I connected to her machine and found that she can view search results fine via google however when she selects a site i.e. "bbc" and the page loads its as if something is blocking the content (see below image). The issue seems to be network wide as the results are the same via the sbs server. I have tried a multiple browsers  as well as restarting the server which did not help, i also flushed the dns cache on the sever which made no difference.

Any ideas?

Screen-Shot-2014-08-10-at-15.55.14.png
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Daniel Bertolone
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Daniel Bertolone
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1 Solution
 
Cliff GaliherCommented:
Since it is network wide and multiple browsers, i'd strongly suspect a network edge issue such as a router, UTM, or proxy.
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Daniel BertoloneAuthor Commented:
Thats what i am thinking, strange thing is that its not all websites. I have rebooted the router however it made no difference
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Larry Struckmeyer MVPCommented:
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Cliff GaliherCommented:
For troubleshooting, I'd probably start by watching the HTTP traffic and see if requests are failing and why. Something like IE developer tools, HTTPWatch, or firebug can do that. From there, wireshark can be used to better follow the traffic flow.
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Daniel BertoloneAuthor Commented:
I tired the method mentioned in the technet article however the same issue occurs. Any other ideas guys?
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Cliff GaliherCommented:
I provided actual troubleshooting steps. Not sure what other ideas you are hoping for if you aren't going to try them to provide more concrete information.
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Daniel BertoloneAuthor Commented:
Sorry Cliff i did not see your earlier post, downloading HTTPWatch now. Is this best run from the server or client?
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Cliff GaliherCommented:
Client
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Daniel BertoloneAuthor Commented:
Thanks Cliff, just downloading now. What i noticed is that sites that have never been visited previously open fine such as httpwatch however it appears to be an issue with previously visited sites such as the bbc.
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Daniel BertoloneAuthor Commented:
ok i have downloaded and installed httpwatch and saved a log file by recreating the steps taken. Shall i upload the log here?
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Daniel BertoloneAuthor Commented:
Its definitely only an issue with previously visited site, i have just checked several new sites on both the server & client and they both open fine. I flushed the DNS cache on the server, is there anything else i could try?
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jcimarronCommented:
Dantech-IT-Solutions--
The page in your screen shot looks as if there is a compatibility problem between browser and webpage coding.
If this started recently, run a System Restore.
In IE you could try Compatibility View .  IE Tools|Compatibility View Settings|enter website URL.
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Daniel BertoloneAuthor Commented:
Thanks for the comment. Originally i thought that however the issue is the same on all pcs and srver
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Daniel BertoloneAuthor Commented:
Any ideas guys in what i can try next, i have the log i saved from httpwatch if that helps?
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Cliff GaliherCommented:
Did the log tell you anything?
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Daniel BertoloneAuthor Commented:
i am not sure what i am looking for in the log. If i uploaded would you be able to assist ?
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Cliff GaliherCommented:
Perhaps.
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Daniel BertoloneAuthor Commented:
Log file attached cliff, i had to rename the extension to .txt so i could upload on the site, appreciate your help on this.
bbc-log.txt
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Daniel BertoloneAuthor Commented:
Update - I changed one of the workstations DNS to 8.8.8.8 however the same results are experienced, its very strange. Any ideas guys as i am running out of ideas.
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Cliff GaliherCommented:
The log file is not in an exported readable format. But if changing your DNS has the same results, I'm still at the belief it is a problem with your network edge.
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Daniel BertoloneAuthor Commented:
The client is using a DrayTek 2830 as their router, i have rebooted the device which made no difference. I have several clients with the same router and never seen an issue like this before. If the problem is at the network edge any ideas on how i can diagnose further.
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Larry Struckmeyer MVPCommented:
Does it make any difference if https site or http site?
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Daniel BertoloneAuthor Commented:
Issue was with the ISP, client had not paid their bill & the ISP put a block on web traffic.
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