Go to the Mozilla Add-ons Web Page {web Link} (There’s a lot of good stuff here) and search for a good ad blocker.

Firefox uses lists from Google's SafeBrowsing project for its phishing and malware protection feature. These are updated regularly, perhaps a couple times a day, but still new scam sites pop up faster and then they take time to report and get on the list. So unfortunately, some small percentage are going to get through.

Another layer of protection you could consider is OpenDNS. More info: https://www.opendns.com/home-internet-security/

jagman55 said

Some sites you search for immediately return a URL/website telling you "your ADOBE FLASH PLAYER is out of date so update it [at a non ADOBE website] when I know for a fact it is not and the URL is VERY SUSPICIOUS.

Hello jagman55,

If you think this is a fake update alert, maybe you'd like to take a look at this :

https://www.bleepingcomputer.com/virus-removal/remove-adobe-flash-player-is-out-of-date-scam

My title was 'partial' as it should have been:

Why DOES NOT Firefox allow the BLOCKING of a REDIRECT?

It seems Firefox could block a URL that intercepts a valid site, re-directs it to a FAKE/VIRUS....

Router used to but some have dropped this feature.

What I DON'T understand is why FIREFOX can not/will not put it in its code.

FredMcD said

Go to the Mozilla Add-ons Web Page {web Link} (There’s a lot of good stuff here) and search for a good ad blocker.

I did look at ADD-ONs and the ones I found do not block redirects or incoming bad sites.

jscher2000 said

Firefox uses lists from Google's SafeBrowsing project for its phishing and malware protection feature. These are updated regularly, perhaps a couple times a day, but still new scam sites pop up faster and then they take time to report and get on the list. So unfortunately, some small percentage are going to get through. Another layer of protection you could consider is OpenDNS. More info: https://www.opendns.com/home-internet-security/

Am not talking about a "list" of known sites by Google, BUT when the internet responds with a URL/PAGE, I assume it could be compared to an URL IN MY BROWSER// VERY MUCH LIKE A "child protect" AND block that incoming PAGE

jagman55 said

My title was 'partial' as it should have been: Why DOES NOT Firefox allow the BLOCKING of a REDIRECT?

Please check your settings in 3-bar menu => Options => Privacy & Security, under : "Permissions" and under "Security"

See : https://www.wikihow.com/Block-Page-Redirects

You could consider an add-on, such as :

https://addons.mozilla.org/en-US/firefox/addon/remove-redirect/

Or :

https://addons.mozilla.org/en-US/firefox/addon/skip-redirect/

jagman55 said

I did look at ADD-ONs and the ones I found do not block redirects or incoming bad sites.

But they should help stop the ads.

The first part of your original post suggests (to me) that the fake Adobe Flash Player update alert was/is the main problem (?) (see my first post .... )

Would it be possible to provide a screenshot of that update alert, should it come up again ?

jagman55 said

jscher2000 said

Firefox uses lists from Google's SafeBrowsing project for its phishing and malware protection feature. These are updated regularly, perhaps a couple times a day, but still new scam sites pop up faster and then they take time to report and get on the list. So unfortunately, some small percentage are going to get through.

Am not talking about a "list" of known sites by Google, BUT when the internet responds with a URL/PAGE, I assume it could be compared to an URL IN MY BROWSER// VERY MUCH LIKE A "child protect" AND block that incoming PAGE

Yes, that is how it works. Firefox downloads the bad sites list regularly and blocks them before you get to them. This page has more info: How does built-in Phishing and Malware Protection work?