Your connection is not private

NC1234 · Nov 26, 2016

Hi. Whenever I try to access pinterest.com from my home wifi, I get this error "Your connection is not private

Attackers might be trying to steal your information from in.pinterest.com (for example, passwords, messages or credit cards). NET::ERR_CERT_AUTHORITY_INVALID
Automatically report details of possible security incidents to Google. Privacy Policy" However if I connect to my mobile hotspot I am able to connect to the website. I tried the recommendations i.e. incognito mode, turn off antivirus, network & sharing settings, date and time..... all unsuccessful.... Can anyone recommend some solutions?

kanewolf · Nov 26, 2016

What the error message is saying is the you are trying to create an HTTPS connection to the website. The security certificate that the website is sending back to your PC is not valid (according to your PC). It says that the Certificate Authority that created the certificate is not a valid authority. You would have to look at the details of the certificate to get more info. This might be a legitimate thing or a false positive. Without more info from the certificate there is no way to know. Do you use a proxy for your internet access? Have you run an antivirus sweep and a mallware sweep ?

Your computer is trying to protect you. None of the things you tinkered with are relevant to this error.

NC1234 · Nov 27, 2016

I am not using any proxy. and I have not run any antivirus sweep or malware sweep.

I am able to access the site from the same computer if I use mobile hotspot. Also, I'm sure many people use pinterest, it should be a secure site.

kanewolf · Nov 27, 2016

It is a secure site, when I attempted to access it. There are a number of possible situations that could cause this. A proxy, a DNS redirect, an old list of root certificates, ... I don't have any specific ideas.

NC1234 · Nov 29, 2016

If I view site information and view certificate
--> using home wifi (bsnl)
'issued to' shows as 'kolsvrmo.softether.net' (i.e. not trusted)
--> using mobile wifi (vodafone)
'issued to' shows as '*.pinterest.com' (i.e. trusted)

kanewolf · Nov 29, 2016

It is either remnants of a VPN you used at some point or a virus/malware. I don't know which. Do you have more than one computer to test with at your home WIFI? Do all of them have the same problem?

AlakaP3 · Nov 29, 2016

I found this from Google, with a few solutions.

https://usefulpcguide.com/16666/your-connection-is-not-private/

NC1234 · Nov 29, 2016

Yes, all the home computers seem to have the same problem, irrespective of the web browser.
I haven't used VPN before either.

kanewolf · Nov 30, 2016

I would try using Google DNS to be sure your DNS isn't hijacked somehow. Try doing a ping on your WIFI to pinterest and one via hotspot. Do you get the same IP address ?

NC1234 · Dec 1, 2016

How do I do this, Google DNS?

kanewolf · Dec 1, 2016

You can explicitly set the DNS on one computer -- https://developers.google.com/speed/public-dns/docs/using
See if that computer no longer has the issue.

NC1234 · Dec 3, 2016

Hi. It's working for with the set DNS. So now do I need to report the issue or something? Is it recommended that all the computers that connect to this wifi use these DNS?

kanewolf · Dec 3, 2016

You should be able to manually set the DNS on your router, so that all your computers automatically get it. What router do you have?

NC1234 · Dec 3, 2016

ok. plz could u tell me how to manually set the DNS on my Router. My router is D-Link DSL-2750U

kanewolf · Dec 3, 2016

See PDF page 63 in the user's manual -- ftp://support.dlink.co.in/broadband/DSL-2750U/manual/DSL-2750U_C1_Manual_IN_1.00.pdf
Select "Use the following static DNS IP address" and put the google IP addresses.

Then UNDO the manual configuration on the one PC.

NC1234 · Dec 4, 2016

Done. Thanks a lot for your help

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