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Suddenly cannot access https sites

January 28, 2012 at 19:12:17
Specs: Macintosh 10.6, Macbook Pro
I've never, ever, ever had this problem before. I am not using a new ISP. I was out of town for a week but that only means I hopped around different wireless networks while gone, I did not change anything in my System Preferences. This is happening in all my browsers--Firefox, Chrome, and Safari.

Yesterday I could still access Yahoo Mail and Flickr. I was having difficulties with Google (except on Chrome), possibly because of the way it's integrated with Google Plus? Maybe that also made it come up as https yesterday. Today Google search is working again, but I tested Picasaweb which is https and it doesn't. Facebook also doesn't work (although the non-https help pages or login page do). Can't login to my non-Yahoo email account, and today Yahoo Mail/Flickr also stopped.

I am located in Thailand, but none of my friends are having issues. (We are in a small town so there are only two providers.) Like I said, this happened without my changing anything. Now, I've deleted cache and cookies in all three browsers, checked to make sure I wasn't using a proxy, tried changing the DNS...all stuff I hadn't touched before and everything was running fine. Restarted multiple times as well, and ran an anti-virus check.

Any suggestions? This is baffling to me. Of course Facebook/Picasa/Flickr are low-priority but this is a really bad time work-wise to not be able to email...

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January 28, 2012 at 20:07:15
Hi found this hope it helps?

Answer thanks to Tesserax.

It sounds like the problem may be the AirPort settings on the MacBook that is the problem. If you temporarily connect your MacBook to the AEBSn using an Ethernet cable, can you access these secure sites now?

If yes, then let's double-check your MacBook's AirPort settings ...

System Preferences > Network > AirPort
o Location: Automatic
o In the left column, verify that an AirPort option exists. If it does not, click "+" to create one. (Note: If you are unable to create an AirPort configuration, the AirPort card in your computer either doesn't exist or it is not recognized.)
o Verify that AirPort is "On." Click "Turn AirPort On" button if not.
o Ask to join new networks: (enabled)
o Show AirPort status in menu bar: (enabled)

Systems Preferences > Network > AirPort > Advanced
AirPort tab
o Remember any network this computer has joined: (enabled)
o Disconnect from wireless networks when logging out: (enabled)
o Require Administrator password to control AirPort: (disabled)
TCP/IP tab
o Configure IPv4: Using DHCP
o Configure IPv6: Off
DNS tab
o DNS Servers: <if required, add your desired DNS server IP address(es) here>
o Search Domains: <if required, add your desired DNS Search Domain(s) here>
WINS tab
o Enter desired WINS info or leave the defaults
AppleTalk tab
o Make AppleTalk Active: (disabled)
802.11X tab
o Enter desired 802.11X info or leave the defaults
Proxies tab
o Enter the desired Proxies info or leave the defaults

If this doesn't help check your firewall Port 433 to see if its not allowing connections to http sites?
And then check your firewalls IPv4 configuration settings for any changes.

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January 28, 2012 at 20:30:32
Thanks for the detailed response! All my settings are already as above, and I'm not using a firewall. Still have no idea what's going on :(.

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January 28, 2012 at 20:33:30
Can you access the internet with a ethernet cable?

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January 28, 2012 at 20:35:45
Thanks for the detailed response! I cannot connect to ethernet as I don't have a cable and there's no outlet at my house anyway. My Airport settings were already as above, and I'm not using a firewall. No idea what is going on!

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January 28, 2012 at 20:38:32
Please visit Macbooks Support website on a different pc.

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January 30, 2012 at 09:02:33
Just following up that it seems like it's my router (not my personal one as I'm only on wifi). My Thai landlord's English is pretty weak so I can't really inquire about it. And after that first day when I couldn't log in anywhere, now at least Yahoo mail is working again, which was the most important one. Whenever I take my laptop outside of the home, all the other secure sites miraculously become accessible again. So strange.

As I said in my first post, I was gone for a week so perhaps the landlord changed something while I was gone. Annoying, but perhaps I'll have to live with it from now on.

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