Unable to open internet sites

Since yesterday, when trying to open some internet sites, using either Safari or Firefox, I get the same message:
404 Not Found
The requested URL /blog/reinaldo/ was not found on this server.
Apache/2.2.3 (CentOS) Server at veja.abril.com.br Port 80
Happens with some other sites too.
Anybody experiencing the same problem?

I am also having problems open certain sites since yesterday, but they DO open in a PC... just don't in Mac, either my Mac Pro or my Mac Book Pro. I tried all browsers Safari, Firefox, and Chrome. These are some of the sites with issues:
http://www.yogaglo.com/
https://www.amazon.com/gp/css/homepage.html?ie=UTF8&ref=topnavya
and yesterday I was having issues with Hotmail as well and I am seeing a lot of people are having the same problems with other sites.

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Mozilla Firefox has been an exceptional browser, however in the last update I have experienced problems when trying to open https sites. They will not open and then time out. I do not have this problem when using Internet explorer. I have contacted customer service at the problem sites, and they have said other customers have also experienced this problem. I have gone into options and have changed various settings to see if this would solve the problem. It didn't, your response would be appreciated.. Please note if I use firefox in safe mode I can access these sites? My E-mail as follows: [email protected]

Did you perhaps install an extension to open sites with https
# Type '''about:config''' into the location bar and press "Enter"
# Use Find ("Ctrl+F") to look for '''https'''
One such extension is "HTTPS-Everywhere"
As you probably know Firefox Safe Mode disables extensions and some preferences.
http://kb.mozillazine.org/Standard_diagnostic_-_Firefox#Extension_issues
You posted a question here: you should check for all of your answers at...
:Unable to open https sites. can open when using firefox in safe mode. | Firefox Support Forum | Firefox Help
:https://support.mozilla.com/en-US/questions/872957
You are expected to pick up your answers where you post them, in the upper right corner is a "get email updates" that you can click on. For more information, see my avatar icon to the left of my reply where you posted.

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== URL of affected sites ==
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Hi Eric, take a look at the following link:
https://social.msdn.microsoft.com/Forums/sharepoint/en-US/241d44f4-fb4e-4ce7-b134-72e0a7257a49/unable-to-open-sharepoint-site-with-designer-folder-name-is-not-valid?forum=sharepointcustomization
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Just recently, Firefox messages that it is unable to open ne site or page

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See: [http://kb.mozillazine.org/Menu_differences Tools > Options] > Advanced > General : Accessibility : [ ] "Warn me when web sites try to redirect or reload the page"
* [[Options window - Advanced panel#General_tab]]
See also: http://kb.mozillazine.org/accessibility.blockautorefresh
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Unable to open web site

Hi
I am unable to open www.asx.com.au (the Australian Stock Exchange web site).
www.isitjustme says it is ok and it's just me and one of my friends confirmed they were able to open the site.
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.....So does this mean that I need to contact the ASX tomorrow by phone or is there another possibility that I need to check.
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Thanks
Hardware Overview:
Model Name:    iMac
Model Identifier:    iMac7,1
Processor Name:    Intel Core 2 Duo
Processor Speed:    2.4 GHz
Number Of Processors:    1
Total Number Of Cores:    2
L2 Cache:    4 MB
Memory:    4 GB
Bus Speed:    800 MHz
Boot ROM Version:    IM71.007A.B03
osx 10.6.8

Just rebooted modem and now able to connect. I notice that the ASX web site has undergone a face lift so all the links in the spreadsheet may be broken and caused a bottleneck for me I suppose ????
no replies thanks as is fixed now.

Unable to open https: sites

Unable to open https: sites

Did you check your security software (firewall)?
Remove all rules for Firefox from the permissions list in the firewall and let your firewall ask again for permission to get full unrestricted access to internet for Firefox.<br />
Also make sure that the firewall doesn't intercept secure connections via port 443.
See [[Server not found]] and [[Firewalls]] and http://kb.mozillazine.org/Firewalls

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Hi Nikhil,
Uninstall the SAPGUI and check if IE returns to normal. If not then reinstall the SAPGUI and on top of it reinstall IE.
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Hi
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Geeth If you feel that the answer which i gave you is Helpful please select it as Answer/helpful.

I believe I've found the fix for this issue. After opening a ticket with MS support and not getting anywhere with this issue I decided to do an in-depth review of all the Project and SharePoint 2013 CU's starting with December 2013 to September 2014.
To my amazement buried inside the July 2014 CU was a hotfix for this issue described almost word for word. (I will list all the relevant KB's at the end) I contacted my support engineer inquiring about this hotfix and he stated it wasn't relevant because
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I informed him that I also found a second hotfix pertaining to the same issue released August 2014, apparently the first hotfix in July didn't totally resolve the issue and a second hotfix was released. He was adamant that this would not resolve
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CU which included the hotfixes from July and August. Apparently he didn't see the flaw in his logic.
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We are currently doing further testing to verify that this CU didn't break something else. Unfortunately these rollups are not GA and Microsoft is very clear that you should only install them if the hotfixes pertain directly to your issue.
Finding the hotfixes was a chore as Microsoft loves to create multiple KB's for the same thing and then nest (bury) them so you have to dig through four or five KB's to find the relevant fix. I'll save you the trouble and list them below.
Watch the
September CU Webcast Brian Smith and team go into depth explaining why this issue has been happening and how they fixed it.
September 2014 CU http://support.microsoft.com/kb/2882990 (the one I installed)
August 2014 CU https://support.microsoft.com/kb/2989078
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http://blogs.technet.com/b/projectsupport/ (I find this to be more helpful than the TechNet site)
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Not opening internet sites

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Hi hein56,
According to your description, the error is encountered when you try to login your SharePoint Online site.
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View the source code of the login.microsoftonline.com webpage that shows the error message. For example, in Internet Explorer, press the ALT key to display the menu bar (if it isn't already displayed),
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Eric Tao
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Hi NotafanofAPPLEproducts,
Thanks for using Apple Support Communities. This article has some steps you can try on your MacBook Pro to see if you can successfully view websites:
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http://support.apple.com/kb/PH14374
Problems connecting to the Internet
If you can’t connect to the Internet, there may be a problem with your cables, your devices, your network settings, or your Internet service.
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Cheers,
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Hi all,
I'm using SharePoint 2013 with SharePoint Designer 2013, but currently I'm facing a weird behaviour.
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There are few other options people used to solve this issue. refer to the following posts if you haven't so far. hope it helps.
http://hightechdave.com/sharepoint-designer-the-folder-name-is-not-valid-error/
http://mesiag.blogspot.com/2011/10/sharepoint-designer-2010-folder-name-is.html
http://community.office365.com/en-us/f/154/t/11825.aspx
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Unable to open internet sites

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