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Access denied

mjl.lavictoire
mjl.lavictoire
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I've checked all the proposed solutions to the topic "access denied" and particularly one which seemed similar to mine but the offered solution didn't work.

the "access denied" is the reply when trying to access the EDF site while, with the same exact configuration, the access is fully accepted with Edge or IE, after the time needed to load and Edge or IE.

I've checked all the proposed solutions to the topic "access denied" and particularly one which seemed similar to mine but the offered solution didn't work. the "access denied" is the reply when trying to access the EDF site while, with the same exact configuration, the access is fully accepted with Edge or IE, after the time needed to load and Edge or IE.
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Toutes les réponses (1)

jscher2000 - Support Volunteer
jscher2000 - Support Volunteer
  • Top 10 Contributor
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The "Access Denied" message with a Reference # is characteristic of a perimeter security system/Web Application Firewall designed to prevent bot and other suspicious connections to the website.

Some possible issues to consider -- let us know which ones you checked:

(A) If you are using a VPN when accessing these sites, try without the VPN.

When you are using a VPN, your IP address is from a remote system used by many strangers. So if that IP address is temporarily banned due to someone else's activity, that also will affect you. If you need the VPN, try selecting a different server or exit node in your VPN software.

(B) If you have customized any privacy preferences that affect browser requests -- for example, modifying your "user agent" or referring site header -- you may need to undo those changes

Also, some add-ons may modify headers in a way that looks suspicious to these systems. We can't really tell how your browser identified itself to the problem site based on how it identified itself to this site, because add-ons are restricted in how they interact with this site. Can you think of any add-ons you use that might make privacy-related tweaks to your requests?

(C) If you have Firefox set not to accept ANY cookies, that also could be a problem for some sites

As a test, you could disable Enhanced Tracking Protection for the site. See: Enhanced Tracking Protection in Firefox for desktop.

(D) Maybe your requests are modified by an intermediary (such as a proxy server, your security software, or an interloper)

Although most people are not intentionally using a proxy server, Firefox may discover one set up in your system settings. Sometimes forcing Firefox to ignore those settings helps with weird connection issues. Here's how:

Open the Settings page using either:

  • "3-bar" menu button > Settings
  • (menu bar) Tools > Settings
  • type or paste about:preferences into the address bar and press Enter/Return to load it

In the very tiny search box at the top of the page, type proxy and Firefox should filter to the "Network Settings" section of the page.

Click the Settings button, change the top setting to "No Proxy" and then click the OK button at the bottom of the dialog to save your change.

Any difference?