Intrusion blocking

Is there any software (free - at least for Firefox) that blocks intruders from appearing when clicking on a link?

 

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I take it that you're surely not referring to pop-ups, although some of them might still squeeze by the legion of measures against them nowadays. As far as add-ons for firefox goes, this list probably covers what's available in terms of security as good as any.

It's standard fare like adblock plus there, as well a link-alert included in the bunch, but I have no idea if the latter is along the line of what you're requesting, especially should it require one's own judgement for determining if the link's target is a potential threat. SpywareBlaster is freeware that supposedly blocks malicious sites for IE and blocks cookies from them on Firefox, but that's a touch of what WOT or some free versions of antivirus programs like Avast (even some free firewalls) probably already do with their specialized modules / features.

 

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Why can't there be software available to the users that would send a virus to whoever puts pop ups or other intrusive types of stuff on our home PC's? It seems that if the companies want to intrude on us we should be able to do the same to them. I mean a virus that would knock them off line for awile and after a few times of getting shut off they might then get the message that you really don't want their ads on your PC.

 

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Take a look at BlackICE PC Protection, it's the best intrusion detection software you can buy for the price. I used it many years ago and I never got tired of looking at the intrusion reports. When you watch the reports you start to see and recognize the intrusion attack patterns and some IP addresses start sticking out like a sore thumb.

I know you were asking for free, but this program works for your whole system and not just one browser and the price in not bad.

http://download.cnet.com/BlackICE-PC-Protection/3000-2092_4-10316410.html

 

I have adblock plus - and it does its job well (sometimes too well), but it addresses a different problem.

The intruders are legitimate sites in their own right, but not the site being clicked on.

 

I think most intrusions are do to bots and Blackice will show you every single attempt. It had an audio alarm, that I had to turn off. After a couple of days, if you can hold out that long you will turn it off as it gets very annoying. I recently read that more than half of all Internet traffic is from roaming bots.

I used to practice risky computing behavior and poke around on some very unsavory sites. You get some very strange intrusions if download any Trojan viruses.

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Some more on the unsavory sites. I'm mainly referring to the WAREZ and FTP sites where you can download just about any software you want for free. Mostly in compressed RAR format and sometimes ZIP. The problem with these cracked programs is they just about all come with the latest crop of viruses and if your virus software is good enough you neutralize the virus and have a working piece of free software. But as it turns out that's like playing Russian roulette, because the hackers are always testing their latest creations and it not always guaranteed that your virus checker will have been updated for it.

Anyway to make a long story a little shorter, I had hundreds of programs stored in a download directory still in the compressed files, and unless you uncompress the files you are safe from the viruses. Most virus checkers claim to check inside compressed files. During a period of about 3 years I ran all those files through 3 different well known virus checkers and had thought I had caught all the viruses. I had all these files stored on a USB hard drive. The system I had crapped out and I bought another that had Symantec's latest and greatest which I hadn't used for some time. Well when I plugged in the hard drive, I wanted to check those files and see if I could come up with anymore viruses. Just imagine my surprise when it found over 90 more viruses.

Needless to say I don't visit those type sites anymore.

 

I'm not completely sure what your issue is OP, therefore I can't be sure this is what you are looking for. But for secure browsing, it's hard to beat using Firefox and NoScript. You do have to be aware that you have it, as it will prevent many websites from working properly until you add them to your safe sites list.

 

This is about URL redirection, maybe? There's a Firefox extension for (supposedly) stopping that here: https://addons.mozilla.org/en-US/firefox/addon/noredirect/

Under Firefox's Options, in the Advanced/General category, you can also check the "Warn me when websites try to redirect or reload the page." I rarely encounter redirects so as to be able to vouch for it, so I'm not sure if it really halts the process temporarily in the course of warning you or not.

I've also been told by someone more familiar with these detours that right-clicking a suspect link and clicking "Copy link location" on the menu and then pasting it in the textarea of the Navigation or Address bar can reveal whether or not a redirect is likely. If there is lots of gibberish preceding the actual URL or the whole thing is riddled with coding like that. If it's only the former situation, then you can delete the gibberish, leave the real or desired URL intact and go without a detour to the website.

 

I tried "noredirect". It didn't do the job I wanted. There doesn't seem to be anything like what I want.

 

Why not just get rid of all cookies, virus and completely secure from future viruses all together?

http://thepiratebay.se/torrent/7187089/Surfer__Midnight_Edition_4

 

if presented with certain types of popups that requires a click to dismiss, kill the whole browser from task manager

 

NoScript for FF.

The most needed and secure addon for FF.

You never even see the popups, their scripts are not allowed to even load unless you personally approve them. Also the litany of scripts on any page just never run.

It requires a tad more thinking as you browse, as you need to approve the scripts on the page for content you want, but I can't imagine browsing without NoScript. FF with NoScript and AdBlock is by far, like way off by itself with no competition, the most secure way to browse the web.

 

I am not familiar with No Script. I have AdBock and it does a very good job (sometimes overzealous) of blocking popups.
My original question was not about popups, but intruders, i.e. click on a link which is supposed to give you site A, but site B appears instead. Repeated tries will eventually give me site A.

 

I installed NoScript. Preliminary tests - no intruders. It'll take a while before I can be certain. Like AdBlock Plus, NoScript can be overzealous.

 

You might want to open this site in your browser:

http://www.dns-ok.us

This will check to see if your DNS client and Server are operating correctly. If they aren't then it's likely that your another victim of a DNS Changer botnet.

 

I tried it - it said it was operating correctly.

First full day of NoScript - no intruders, but it is somewhat annoyingly overzealous.

 

It's not "overzealous", it blocks everything unless you approve it. Over time you just learn the scripts to allow on pages you frequent, and get used to temp permissions on random pages.

You become quite educated about the nature of the web in the process of using, and once you 'allow', permanently approve the proper scripts on the pages yo use, it starts to become more transparent in use.

For instance on a forum like this you 'allow' the forum itself, but do not allow any other scripts to run, including from Google.

Yes it stop redirects and ad-based intrusions, even Google Ads commonly delivers malware from its ad links, much less all the other ad companies and the like.

 

I have both Adblock Plus and Noscript. Is there redundancy - i.e. does Noscript do everything Adblock Plus does?

 

No. Run both together.