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Re: [emacs-w3m:13607] Re: Browser Fingerprinting
From: |
Tomas Nordin |
Subject: |
Re: [emacs-w3m:13607] Re: Browser Fingerprinting |
Date: |
Sat, 18 Apr 2020 12:12:44 +0200 |
Boruch Baum <boruch_baum@gmx.com> writes:
> On 2020-04-17 10:15, Tomas Nordin wrote:
>> The fields tested as browser characteristtics were
>> ...
>
> Thanks. Good to know.
>
>> The most identifying characteristics is User Agent followed by
>> HTTP_ACCEPT Headers.
>
> Of course emacs-w3m and w3m have no choice but to send them, but ...
>
>
>> Browsing the web with a text based browser is not a common thing to do,
>> so from a browser fingerprinting point of view I guess the uniqeness is
>> to be expected.
>
> Right. That's why I suggested in my original e-mail...
>
>
> "What might be more useful is to set variable w3m-add-user-agent to t,
> and then set w3m-user-agent to some generic and popular user-agent
> string."
>
> That leaves us with the matter of the HTTP_ACCEPT Headers. My memory is
> that the information sent in that header is very limited, just a set of
> mime-types that the server can use to send data to the client. That
> doesn't seem to me to be much from which to create a fingerprint, but it
> would be great to do a comparison. emacs-w3m does have configurable
Different browsers (mis)use this header string differently [1]. The
string lists mime types in a certain order with some optional ratings
for each. If an un-common browser has this string different from common
browsers it adds uniqueness.
[1] https://www.newmediacampaigns.com/blog/browser-rest-http-accept-headers
- Re: Browser Fingerprinting, (continued)
- Re: [emacs-w3m:13607] Re: Browser Fingerprinting, Boruch Baum, 2020/04/17
- Re: [emacs-w3m:13607] Re: Browser Fingerprinting, Tomas Nordin, 2020/04/17
- Re: [emacs-w3m:13607] Re: Browser Fingerprinting, Boruch Baum, 2020/04/17
- Re: [emacs-w3m:13607] Re: Browser Fingerprinting, tomas, 2020/04/17
- Re: [emacs-w3m:13607] Re: Browser Fingerprinting, Vladimir Sedach, 2020/04/17
- Re: [emacs-w3m:13607] Re: Browser Fingerprinting, Vladimir Sedach, 2020/04/17
- Re: [emacs-w3m:13607] Re: Browser Fingerprinting, Emanuel Berg, 2020/04/17
- Re: [emacs-w3m:13607] Re: Browser Fingerprinting, Emanuel Berg, 2020/04/17
- Re: [emacs-w3m:13607] Re: Browser Fingerprinting, tomas, 2020/04/18
- Re: [emacs-w3m:13607] Re: Browser Fingerprinting,
Tomas Nordin <=
- Re: [emacs-w3m:13607] Re: Browser Fingerprinting, Boruch Baum, 2020/04/18
- Re: [emacs-w3m:13607] Re: Browser Fingerprinting, Emanuel Berg, 2020/04/18
- Re: [emacs-w3m:13607] Re: Browser Fingerprinting, tomas, 2020/04/17
- Re: [emacs-w3m:13607] Re: Browser Fingerprinting, Vladimir Sedach, 2020/04/17
- Re: [emacs-w3m:13607] Re: Browser Fingerprinting, Boruch Baum, 2020/04/18