이 웹사이트의 보안 인증서(익스플로러), 연결이 비공개로 설정 (크롬) Security certificate (Explorer), connection to this website is private (chrome)
https://blog.naver.com/dongtanpc/222494995968
[ 관련글 ] 네이버 보안 인증서 문제
It's your personal choice to follow the steps below.
Even if there's an unexpected error, you have to solve it on your own.
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Please press "Control + W"!
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Please understand that we do not accept "additional inquiries" regarding the post.
On a computer using the Windows 7 operating system, the next time you access the Kakao Map site, you will see a warning window as below and you will not be able to access it. After testing, if you install Windows with a default Windows 7 SP1 USB, CD that does not include the latest update pack, there are symptoms of site access as the error window appears below.
When I reinstall Windows with a Windows 7 image with a certain amount of update packs, I think that the certificate included in the old version of Windows has expired and I can no longer access it normally. Windows 7 was released in 2009 and Windows 7 Service Pack 1 (SP1) 2011. It's been well over 10 years, so it's time for your certificate to expire, right? If you installed Windows 7 with update pack in the middle (until 2016), that's fine.
(1) Explorer has a problem with this website's security certificate.I can't proceed with the warning.
(2) Chrome-based browsers such as Chrome and Whale cannot proceed with the warning window as shown below.
(The connection is not private.)
The connection is not private. Chrome, Whale
On the other hand, Naver has a normal screen. (It's working fine in older Explorer 8 versions, too.)
Only the following sites will have a red address window and a certificate error message as shown below.
Certificate Information - The trusted certificate authority cannot verify this certificate. Issued to *.daum.net Issuer Thawte TLS RSA CA G1 Valid from 2020-06-05 to 2020-09-04
[ Workaround ]
1. There are cases where it is patched through Windows Update.
= Windows updates are not always successful, so I think you'll get a backup of your materials in case you fail. Computers with bad symptoms may experience a "SSD or hard disk" not being recognized (failure) during window updates. And so on, there is a noticeable problem during window updates, so always make backup a daily life before updates!!
2. There is a way to re-install the certificate and access it normally.
=> Follow the instructions below. I gave you information because it went well.
= Over time, you may not be able to copy it. This method may not work in various computer environments, so search for the symptoms on search engines such as Naver and Google. And sort it out with the latest search results. Then, I can find the right information for me.
Windows 7 is an old operating system now.
Windows 10 is recommended.
[ Certificate Download Site ]
I downloaded the certificate from the site below and proceeded with the reinstallation. Among several certificates, I downloaded and installed a security certificate called DigiCert Global Root G2, and I was able to access the site normally.
https://www.digicert.com/kb/digicert-root-certificates.htm
DigiCert Root Certificates - Download & Test | DigiCert.com
Baltimore CyberTrust Root Download PEM | Download DER/CRT Valid until: 12/May/2025 Serial #: 02:00:00:B9 SHA1 Fingerprint: D4:DE:20:D0:5E:66:FC:53:FE:1A:50:88:2C:78:DB:28:52:CA
www.digicert.com
You can get a certificate by scrolling down. You can get a Download DER/CRT.
I downloaded and ran several certificates sequentially, but when I installed the DigiCert Global Root G2 certificate that I received last, it worked normally.
DigiCert Global Root G2
[ How to Install Certificates ]
(1) Right-click on the file for security certificates - float the pop-up menu - click Install Certificates
(2) The following:
(3) Select Save all certificates to the following repository and click Browse
(4) Select a trusted root certificate authority and confirm
(5) Finish
(6) You are about to install a certificate from a certificate authority (CA) for: => Click Yes
(7) Confirmation
(8) The following web pages appear normally: Explorer and Chrome also display normally.
Kakao Developer Bulletin
https://devtalk.kakao.com/t/open-api-ssl-urgent-notice-replacing-ssl-certificates-in-kakao-open-api-platform/117933
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