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Updated Dynamic filtering: Benefits of blocking 3rd party iframe tags (markdown)

gorhill 2014-10-09 17:12:51 -07:00
parent 85fa4db007
commit 80e5ca6b23
1 changed files with 4 additions and 2 deletions
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Dynamic filtering: Benefits of blocking 3rd party iframe tags.md

@ -41,8 +41,10 @@ And within it, the fingerprinting will take place, and result reported to AddThi
- **Host:** `ct1.addthis.com`
- **Referer:** `http://www.ibtimes.com/`
The above occurred with Adblock Plus with _EasyList_ + _EasyPrivacy_ enabled. Note that the cookie header which contains the fingerprinting information will be stripped if you set your browser to block 3rd-party cookies and site data.
The above occurred with Adblock Plus with _EasyList_ + _EasyPrivacy_ enabled. Note that the cookie header which contains the fingerprinting information will be stripped if you set your browser to block 3rd-party cookies and site data (preventing 3rd-party cookies is what protects you, not ABP + _EasyPrivacy_).
AddThis and many other 3rd-parties which purpose is to data-mine you will be foiled by blocking 3rd-party `<iframe>` tags (even more so if blocking 3rd-party `<script>` tags).
By blocking 3rd-party `<iframe>` tags, you don't have to [ask them permission to opt-out](http://www.addthis.com/privacy/opt-out) of something you did not opt-in in the first place. ("Opting out" is a joke anyways, see [_"The web never forgets"_ (PDF)](https://securehomes.esat.kuleuven.be/~gacar/persistent/the_web_never_forgets.pdf), section 6.2)
In any case, keep in mind that your IP address is as good as fingerprinting if you are assigned a long-lasting one, so blocking 3rd-party `<iframe>` tags (and 3rd-party `<script>` tags even better though more site breakage to expect) goes a long way in foiling trackers out there.