Want to View "Not Secure" Websites on Safari

In that case, the answer applies to whoever maintains those websites: if those websites implement HSTS (and the answer to that question is unknown) then is literally nothing you or anyone else wishing to load them can do about it.

Firefox offers this explanation on the subject: http://mzl.la/23QcZrl

Other security certificate errors are not "strict" and exceptions can be added for them. You can do that with Firefox for example by essentially agreeing to throw caution to the wind and accept responsibility for the parade of horribles that can conceivably result. It's far from an ideal solution. If information on a website needs to be secure, their developers should either implement certificates correctly or not at all.

If the OP is confused by my replies, then he or she can ask for clarification.

Is there a way to remove Safari restriction and allow the access to OLDER websites and / or routers web interfaces with OLDER TSL protocols or that did NOT implement HSTS??

No. Safari expects websites to comply with established security protocols, which will always be subject to updates. It's up to the website creator or administrator to keep their resources updated lest they become obsolete.

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John Galt

I think (as very often happens and that's why I don't like these communities where most of the answers are basic or make nonsense) you got the question upside down or the other way around.

If you want to access websites that DID NOT implement NEWER TSL protocols, then you cannot access because by default NEWER version of Safari , Chrome and Firefox do not allow to access "unsecure" websites.

Is there a way to remove Safari restriction and allow the access to OLDER websites and / or routers web interfaces with OLDER TSL protocols or that did NOT implement HSTS??

Thank you for your prompt and kind answer.

in my case the question applies to routers or other network devices, (including printers) whose firmware has not been updated with the latest security protocols by the manufacturer, making impossible to access to their web interface for configuration changes or maintenance, even within an isolated LAN, unless (after reading your answer) you use Firefox, or Opera, that allow to establish connections with older devices.

I understand from what you wrote that Apple does not allow compromises in Safari, although a similar settings option would be useful.

Thanks God Firefox and Opera behave differently.

Thank you again.

However, some of my basic websites (example, Therapy Journals for Counselors) say "not secure".

If (see * below) your websites use HTTP Strict Transport Security (HSTS) and their certificates are not in compliance with it then its users may not view the site. There is absolutely nothing they can do about that. They're at a dead end. There are no workarounds for them. Only you can fix it.

(*) I have no idea whether your website implemented HSTS or not, or whether your implementation of it is correct or not. That sort of programming assistance is beyond the scope of this Apple product support website.