Type to search

A Solution Guide On The Safari Can’t Establish A Secure Connection Issue

In the current time, Safari Web Browser users are facing an unusual issue. In some situations, the Safari Web Browser becomes unresponsive or refuses to load a particular website. Many users have experienced this issue on their system and found out that it is occurring due to some glitch/bug in the Safari web browser. Later on, it was found that the Safari can’t establish a secure connection issue is caused primarily due to an improper setting, antivirus, and Safari web browser security protocols.

These things are related to the software section of the OS. That’s why they are quite easy to fix with proper technical information which you will get in the next section of this article. Let’s have a look at them.

Possible Solutions to Fix Safari can’t establish a Secure Connection Error

There are many things in a Mac OS that can cause the Safari can’t establish a secure connection issue. However, it is quite hard to pinpoint the exact location of the cause of this issue. That’s why you need to apply every known and available solution to resolve the problem.

In the section given below, we have gathered some of the prime solutions to this issue. Let’s try them and hope for the best

Chance The ISPs DNS Information.

The first thing that can light-up this issue your Mac OS based system is your DNS. That’s why in order to fix it you have to change it manually.

Chance The ISPs DNS Information.

  1. To do that first, click on the Apple icon.
  2. A menu will appear on the screen where you have to click on the System Preference option.
  3. Now, in the System Preference page, click on the  Network icon and then, tap on the Advanced option.
  4. On the Advanced section, click on the DNS tab. And then, remove any entries which are present on the left side of the page.
  5. After this, click on the + symbol and type Then, you have to click that symbol once more in order to add

Once you have done that, close everything and try to reopen the Safari Browser.

Weak Encrypted Website

In the Safari Browser, there is a security feature which works as connection blockage whenever it detects weak encryption on a website. In a normal situation, due to privacy and security protocols, a website would need strong encryption in order to stabilize a proper web connection. But, in the Safari browser,the privacy and security protocols works more strictly. That’s why if it detects a weakly encrypted website or any website falsely get selected in that encryption category, then the Safari browser stops every type of connection on the system and starts displaying the signs of this issue.

Find the encryption certificates

Now, if it is the case with your Safari browser, then the first thing you should seek is the encryption certificates.

To do that, open the restricted website on a different web browser. Now, on the URAL link, you will find a small lock icon in green color. Click on it. A window will emerge on your browser where you have to click on the more information option

Now, a second window will appear. There you have to tap on the Security tab which is situated at the right side of the browser. Inside that tab, you will get a ‘Show certificate’ option. Click on that and then hit the Details tab. On that place, you will find the current encryption certificate of that website which has opened. The syntax should contain something like “VeriSign Class 3 Public Primary Certification Authority – G5 certificate”.

Navigate to Keychain

Now, you need to open the Keychain. To do that follow up the steps given the section below

  1. First press the CMD key and Spacebar.
  2. Then, on the appeared searched bar option type “ Keychain” and hit the OK button
  3. Now, the Keychain will arise on the screen.

There you have to click on the System Roots option in order to know about all entries. You will find the encryption certificate from the Safari browser marked in a blue cross mark. Double click on it, a new window will come up on the screen. Now, on that window, click on the System Setting, either approve or reject. After that, you have to change the authentication of the encryption certificate in the System setting.

Once you do that, all the web pages will load on your Safari browser flawlessly and there would be no such issue anymore.

Modify the Third Party Antivirus

Another common thing that can trigger this issue on your Safari browser is the Antivirus. Sometimes, due to security protocol third-party antivirus block many websites on the browser. Now, when this thing happens with the Safari browser it results into the Safari can’t establish a secure connection issue.

If this is the cause of this issue on your system then in order to solve it you need to modify the settings of your Antivirus.  And to do that, you have to visit the official website of your Antivirus developer or search about in the manual book. This is because every Antivirus application possesses its own setting and page layout. That’s why it is quite hard to tell where a particular setting or option resides on your Antivirus application. Hence you need to know about it from the developer itself.

Configure the IPv6

The next internet setting thing that can cause this issue on your Mac OS based system is the IPv6 protocol. Often, the IPv6 protocol on routers blocks the connection between the browser and the web page. These thing causes Safari can’t establish a secure connection issue on the user system.

But, before you get into that conclusion, verify about this by connecting your Mac OS system to a different router. If the blocked web pages start loading without any kind of issue, then it is confirmed that the issue lies in your WiFi routers IPv6 protocol. Now, in order to resolve this issue, you have to re-configure the IPv6 protocol on your WiFi router. And, to do that follow the steps provided in the section below.

Configure the IPv6

  1. To do that first click on the Apple icon and open up the Apple menu.
  2. On that menu, click on the System Preferences option in order to open up the page.
  3. There you will find the Network option. Click on that option and then move on and select the Your Network option.
  4. Then, you have to click on the Advanced option and expand its section.
  5. On the Advanced section, you will get the Disable IPv6, from here click on the Manually option.
  6. After that, hit the OK button to save and apply all the changes that you made.

Once done, close everything and go to the Safari browser once more. There you need to check about the presence of this issue or any other problem.


We hope that the solutions are useful enough to resolve the Safari can’t establish a secure connection issue. For more tech-related information, follow our informative articles.