Facing 'Request is blocked' error while visiting a website on Mac running macOS Sequoia

when I click f12 to open the browser dev log console it shows this when trying to access

GET https://www.standardprocess.com/ 403 (Forbidden)

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/favicon.ico:1

GET https://www.standardprocess.com/favicon.ico 403 (Forbidden)

this is what copilot say about it

The error message GET https://www.standardprocess.com/ 403 (Forbidden) indicates that the request to access the webpage was denied by the server. A 403 Forbidden error usually means that the server understands the request but refuses to authorize it. Here are some possible reasons for this error:

1. Access Restrictions: The website might have security measures in place that restrict access based on region, IP address, or authentication.
2. Permissions Issue: The server might be configured to block certain types of requests, such as automated requests from bots or unverified users.
3. Blocked by Firewall or Security Software: Some websites use firewalls to prevent unauthorized access, and your request might have been flagged.
4. Incorrect URL or Headers: If the request is missing necessary headers (such as authentication tokens), the server might reject it.
5. Server Issues: The website itself might be down or experiencing issues that prevent normal access.

How to Fix It:

• Check Access Permissions: If the website requires authentication, ensure you are logged in.
• Clear Browser Cache & Cookies: Sometimes, stored data can interfere with access.
• Try a Different Network or VPN: If access is blocked based on location or IP, switching networks or using a VPN might help.
• Disable Extensions: Some browser extensions can interfere with site access. Try disabling them and refreshing the page.
• Contact Website Support: If the issue persists, reaching out to the website administrators could provide more insight.

Since the webpage is currently blocked with a "Service unavailable" message, the issue could be temporary. Try accessing it again later and see if the error resolves on its own. Hope that helps!

If it’s every device, then I would suspect it is something on your router unless it is just that particular website. Then that would most likely be a server problem.

homeovet wrote:

Same FF version, updated to Sequoia 15.5, same issue here. Now, I'm in India, FWIW. Guy next to me, same wifi network, same error.

Maybe they're blocking IPs from India? No idea.

homeovet wrote:

No, as I pointed out above, a specific link from an email worked to get me in. No VPN, obviously IP from India.

My final thought before I go. Several of the people who are blocked are not in the U.S. The link you received may bypass whatever restrictions they have set up. In any case, it doesn't seem to be a Mac or settings problem. Good Luck.

homeovet wrote:

Whoa. 15.4.1, no notice came to update, so now I'm on it, thanks.

FWIW, apparently there are others being blocked that are using Sequoia 15.5.

Maybe they block any IP that's not in the U.S.

So, I thought maybe my M3 iMac has magical powers (along with my iPhone & iPads), So I booted my iMac Pro running Sequoia 15.5, and lo and behold, the site works fine for me there as well. Maybe I'm magical. :)

Something like this ?

Tested using Sequoia 15.5 with Safari Version 18.5 (20621.2.5.11.8) and Firefox 138.0.3 ( aarech 64 )

yeah, I get the same error on windows 10 with edge

They may need to update their usage of Not Secured to Secured and or their Certifications used on their website