  funchords Hello Premium,MVM join:2001-03-11 Washington, DC | reply to deitarion Re: Past BBR stories established Nebuad only monitoring
I actually have it on this computer... disabled. There's a less agressive plug-in that I'm used to using, but it hasn't been updated for FF3. :-( |
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  deitarion
@teksavvy.com | reply to funchords And NoScript is based on Javascript whitelisting, so they'd have to embed the JS into the page and hope that the user is viewing a site they've granted JS execute permission to. |
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  funchords Hello Premium,MVM join:2001-03-11 Washington, DC
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| reply to TKJunkMail said by TKJunkMail :From my reading of the tests done as laid out in the linked PDF report, blocking the cookies is possible because the cookies involved are clearly identified as coming from faireagle.com. Also the javascript is an addon at the end that also is marked as executing from the faireagle.com domain. So the javascript can be avoided. Could Nebuad chg that? Maybe. But the way it is setup now, blocking is easily achieved. Sure. They can change the faireagle domain to something else, to thwart your blocking. Domains are very cheap and you can't block the dictionary. Hell, they could inject 10 different javascripts into each page, until one eventually gets followed.
They can forge HTTP redirects to drive you to the nefarious code, instead of using javascript to do it. I think this is similar to what Phorm is reportedly going to do now.
They could also make deals with web portals so that the nefarious script doesn't have to be forged at all. They buy ad space or even a 1x1 pixel, that ad server realizes you're from an IP address with a NebuAd deal, the ad server loads you up with their profile-identification cookies, and no forgery ever takes place. Fortunately, this won't be allowed to happen by the best services. Most Yahoo's and Google's of the world actually are fans of the Internet and ultimately side with the user, despite our cookie-erasing habits. They don't want 24/7/365 eavesdropping on the internet, either. -- Robb Topolski -= funchords.com =- Hillsboro, Oregon HTTP is the new Bandwidth Hog...
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  TKJunkMail Enjoy the sun Premium join:2002-03-03 Avalon, NJ
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| reply to knightmb said by knightmb :said by funchords :The device is inserted in the middle, so it can see the entire transaction, including the cryptographic key exchange. That said, I have no evidence that it decrypts https, and I personally believe that it would use precious CPU time in a middlebox where processing speed must be an issue. We also have NebuAd's word that they won't try it, FWIW. I have to agree, they wouldn't need to waste CPU time to do this. That would actually give it a dual purpose perhaps. Serve ads and secret wiretaps. Either way, we might not be able to do anything about the secret wiretap, but at least we can make the regular stuff all look like garbage. As usual in this type of stories, I chime in the link in my signature. I think espaeth already answered the HTTPS issue here: »Re: Past BBR stories established Nebuad only monitoring -- My BLOG .. .. Internet News .. .. My Web Page |
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  knightmb Everybody Lies
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| reply to funchords said by funchords :The device is inserted in the middle, so it can see the entire transaction, including the cryptographic key exchange. That said, I have no evidence that it decrypts https, and I personally believe that it would use precious CPU time in a middlebox where processing speed must be an issue. We also have NebuAd's word that they won't try it, FWIW. I have to agree, they wouldn't need to waste CPU time to do this. That would actually give it a dual purpose perhaps. Serve ads and secret wiretaps. Either way, we might not be able to do anything about the secret wiretap, but at least we can make the regular stuff all look like garbage. As usual in this type of stories, I chime in the link in my signature.  -- Fight NebuAD and the like: Click Here to pollute their data |
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  funchords Hello Premium,MVM join:2001-03-11 Washington, DC
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1 edit | reply to wifi4milez said by wifi4milez :Let me be clear about this; if Nebuad is doing nothing more than serving ads then I congratulate them on a very smart business model. On the other hand, if something sinister is going on then of course I would have an issue with it. Thus far however, nobody can conclusively prove anything untoward is happening here. The sinister aspects are these:
1. They employ packet forgery, XSS, MITM to break the security designed into your browser and operating system.
2. They don't "inject" ads, but they do inject javascript. This javascript drives your browser to server(s) that it otherwise wouldn't necessarily trust.
3. While they do assure us about what "they" will and will not do with our data, we only have NebuAd's word for it. We can trust NebuAd, can't we? After all, I hear that they're the fine folks that brought us Gator. -- Robb Topolski -= funchords.com =- Hillsboro, Oregon HTTP is the new Bandwidth Hog...
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  Maxo Your tax dollars at work. Premium,VIP join:2002-11-04 Tallahassee, FL clubs:
| reply to funchords said by funchords :Nebuad is injecting code where it did not previously exist, this code is to force-load their cookies. Nebuad is reportedly not injecting ads where they did not previously exist. This is a common misconception, likely brought on by a NebuAd patent and the business model of their sister-company Fair Eagle, which did exactly what you described. Then it still stands that they are not doing what Google is doing. |
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  Maxo Your tax dollars at work. Premium,VIP join:2002-11-04 Tallahassee, FL clubs:
| reply to wifi4milez said by wifi4milez :I thought the same thing when I read the article, and then Karl came out and said it wasnt true. As I dont think anyone here really knows what Nebuad does (myself included), why dont we table this discussion until we have all the facts? If not, we are all just speculating anyway. Agreed. But then I still stands that they are just doing what Google is doing cannot be determined either. |
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  funchords Hello Premium,MVM join:2001-03-11 Washington, DC
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| reply to Maxo Nebuad is injecting code where it did not previously exist, this code is to force-load their cookies.
Nebuad is reportedly not injecting ads where they did not previously exist. This is a common misconception, likely brought on by a NebuAd patent and the business model of their sister-company Fair Eagle, which did exactly what you described. |
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  wifi4milez Big Russ, 1918 to 2008. Rest in Peace
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| reply to Maxo said by Maxo :said by wifi4milez :said by Maxo :NebuAd is injecting ads in places they didn't previously exist. You could have a paid login to DSLReports so that you don't have to deal with the ads, but BAM your ISP injects them in anyhow. Google does not inject ads into other people's content. The problem with your theory is that what you describe (injecting ads where they didnt previously exist) isnt actually happening. Check Karls reply to the OP on this very topic here. So, this is in effect no different than what any other search engine does, and my example still holds true. According to the article, "NebuAd exploits normal browser and platform security behaviors by forging IP packets, allowing their own JavaScript code to be written into source code trusted by the Web browser." and "it breaks in and changes the contents of your private communications" Google does not do this, and neither does any other website. It is not uncommon for websites, including e-mail providers, to put ads next to the content that they are providing. Google injects code into their own code, NebuAd injects code into another providers code. I thought the same thing when I read the article, and then Karl came out and said it wasnt true. As I dont think anyone here really knows what Nebuad does (myself included), why dont we table this discussion until we have all the facts? If not, we are all just speculating anyway. -- If history teaches us anything, it teaches that simple-minded appeasement or wishful thinking about our adversaries is folly. -Ronald Reagan-
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  Maxo Your tax dollars at work. Premium,VIP join:2002-11-04 Tallahassee, FL clubs:
| reply to wifi4milez said by wifi4milez :said by Maxo :NebuAd is injecting ads in places they didn't previously exist. You could have a paid login to DSLReports so that you don't have to deal with the ads, but BAM your ISP injects them in anyhow. Google does not inject ads into other people's content. The problem with your theory is that what you describe (injecting ads where they didnt previously exist) isnt actually happening. Check Karls reply to the OP on this very topic here. So, this is in effect no different than what any other search engine does, and my example still holds true. According to the article, "NebuAd exploits normal browser and platform security behaviors by forging IP packets, allowing their own JavaScript code to be written into source code trusted by the Web browser." and "it breaks in and changes the contents of your private communications" Google does not do this, and neither does any other website. It is not uncommon for websites, including e-mail providers, to put ads next to the content that they are providing. Google injects code into their own code, NebuAd injects code into another providers code. |
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| reply to wifi4milez said by wifi4milez :However, the Nebuad privacy policy is clearly posted on their website That is completely beside the point. The point is that your ISP, quite possibly without your knowledge or consent, may be allowing Nebuad to intercept traffic on its network. Mine (Centurytel) is. The opt-out is cumbersome and cookie-based so every browser on every computer has to go through the opt-out procedure which does not, in any way, guarantee that your browsing behavior is not being tracked.
Fortunately I have other options. |
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  TKJunkMail Enjoy the sun Premium join:2002-03-03 Avalon, NJ
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| reply to swhx7 said by swhx7 :Also it seems to me (though I've only briefly glanced at the materials) that the user can avoid the Nebuad cookies only by manually evaluating each cookie, because the fraudulent ones are inserted in headers via forged packets. The browser can't tell that they're not from the site the user intends to accept cookies from. And in the case of the Javascript, even with Noscript, I'm not sure there is any way to run JS from the real site without running the injected JS. From my reading of the tests done as laid out in the linked PDF report, blocking the cookies is possible because the cookies involved are clearly identified as coming from faireagle.com. Also the javascript is an addon at the end that also is marked as executing from the faireagle.com domain. So the javascript can be avoided.
Could Nebuad chg that? Maybe. But the way it is setup now, blocking is easily achieved. -- My BLOG .. .. Internet News .. .. My Web Page |
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  swhx7 Premium join:2006-07-23 Elbonia
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| reply to wifi4milez said by wifi4milez :The other thing is that regardless of how you feel about what Nebuad does, its really not any (fundamentally) different then what happens when you use Gmail. ... Gmail is a service you chose to use. However, the Nebuad privacy policy is clearly posted on their website (numerous times), and my point was that the delivering of targeted ads (ie. Gmail et al) is nothing new. ... if Nebuad is doing nothing more than serving ads then I congratulate them on a very smart business model. On the other hand, if something sinister is going on then of course I would have an issue with it. Thus far however, nobody can conclusively prove anything untoward is happening here. The "fundamental difference" is that on a clean ISP, you can avoid whatever data-mining the online service is trying to do by either not using the service or by policing what cookies, scripts and other stuff you accept from the service. And if you have to avoid the service as contrary to your policies, you still have the whole rest of the internet.
With something like Nebuad, in contrast, the choice is either being data-mined or not having internet, unless you're fortunate enough to have another ISP with an honest pipe in your area, and it may be only dialup if there is one.
A further fundamental difference is that on a clean pipe you can tell what's coming from the online service and what's coming from elsewhere and choose what to accept accordingly, while Nebuad forges packets, impersonates sites and otherwise fraudulently tampers with your intended connections.
The appeal to so-called "consent" is always dishonest when the alternatives are so coercively manipulated and distorted by monopolies and oligopolies that they no longer resemble what you could choose from in a well-functioning market. |
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  swhx7 Premium join:2006-07-23 Elbonia
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| reply to TKJunkMail said by TKJunkMail :following reasonable browser security settings can make the Nebuad monitoring moot. By "make moot" I understand you to mean that avoiding the injected cookies and Javascript interferes with client-tracking efforts. That much is true, but it does not avoid having all one's packets going thru the data-mining machine. Theoretically (if the spybox company diverges from what they publicly say they'll do) it could still assemble a per-individual browsing history.
Also it seems to me (though I've only briefly glanced at the materials) that the user can avoid the Nebuad cookies only by manually evaluating each cookie, because the fraudulent ones are inserted in headers via forged packets. The browser can't tell that they're not from the site the user intends to accept cookies from.
And in the case of the Javascript, even with Noscript, I'm not sure there is any way to run JS from the real site without running the injected JS. |
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  wifi4milez Big Russ, 1918 to 2008. Rest in Peace
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| reply to Maxo said by Maxo :NebuAd is injecting ads in places they didn't previously exist. You could have a paid login to DSLReports so that you don't have to deal with the ads, but BAM your ISP injects them in anyhow. Google does not inject ads into other people's content. The problem with your theory is that what you describe (injecting ads where they didnt previously exist) isnt actually happening. Check Karls reply to the OP on this very topic here. So, this is in effect no different than what any other search engine does, and my example still holds true. -- If history teaches us anything, it teaches that simple-minded appeasement or wishful thinking about our adversaries is folly. -Ronald Reagan-
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  espaeth Digital Plumber Premium,MVM join:2001-04-21 Minneapolis, MN
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| reply to funchords said by funchords :The device is inserted in the middle, so it can see the entire transaction, including the cryptographic key exchange. That said, I have no evidence that it decrypts https, and I personally believe that it would use precious CPU time in a middlebox where processing speed must be an issue. To be able to decrypt the conversation you need the private key (stored only on the hosting server/load balancer) that matches up with the public key served up in the https negotiation process.
The SSL cert also needs to match up as being issued by one of the default Certificate Authorities that had their authentication keys distributed with the web browser software.
Corporate SSL decoding solutions like that provided by Bluecoat work by having a "special" CA key installed on each of the client machines so that the appliance can spoof the https negotiation of valid Internet sources and have the public SSL key authenticate with the "special" CA that gets installed to the web browser so that the user never sees a pop-up to clue them in to the practice. Where you can notice this is if you look at the SSL cert details itself in the browser you will see that sites like Yahoo would be certified by some mystery CA instead of Verisign/Equifax/GeoTrust/Thawte/etc. The scary thing is that in a corporate environment this key can be distributed very easily/silently through Active Directory.
To be honest, the whole thing creeps me out and I'm usually pretty liberal in my view on acceptable practices in networking. |
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  Maxo Your tax dollars at work. Premium,VIP join:2002-11-04 Tallahassee, FL clubs:
| reply to wifi4milez Yes, but Google's ads are still completely differently. You get them be visiting a site that delivers ads. Just like when you turn on the TV, you get the commercials from that TV station. NebuAd is injecting ads in places they didn't previously exist. You could have a paid login to DSLReports so that you don't have to deal with the ads, but BAM your ISP injects them in anyhow. Google does not inject ads into other people's content. -- "Padre, nobody said war was fun now bowl!" - Sherman T Potter
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  RARPSL
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| reply to TKJunkMail said by TKJunkMail :3. If using Firefox with the "noscript" addon, then any injected javascript from faireagle.com wouldn't be executed. Since their box is screwing with the web page HTML will noscript even know that the JavaScript is coming from faireagle.com? I think that they insert the script directly into the HTML Header..\Header area so it is inline not loaded via a LINK tag (which noscript would be able to block by refusing to allow the Link's URL from being executed). |
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  wifi4milez Big Russ, 1918 to 2008. Rest in Peace
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| reply to funchords said by funchords :said by wifi4milez :The other thing is that regardless of how you feel about what Nebuad does, its really not any (fundamentally) different then what happens when you use Gmail. There are HUGE differences -- you use Gmail completely at your option, and if you use them, their privacy disclosures are always available within a click or two from the page you are viewing. Yes, I should clarify by saying that Gmail is a service you chose to use. However, the Nebuad privacy policy is clearly posted on their website (numerous times), and my point was that the delivering of targeted ads (ie. Gmail et al) is nothing new. When people do searches with Google or any other major search engine they also receive targeted ads, Nebuad simply uses a new technology to deliver them. Let me be clear about this; if Nebuad is doing nothing more than serving ads then I congratulate them on a very smart business model. On the other hand, if something sinister is going on then of course I would have an issue with it. Thus far however, nobody can conclusively prove anything untoward is happening here. -- If history teaches us anything, it teaches that simple-minded appeasement or wishful thinking about our adversaries is folly. -Ronald Reagan-
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