Phish filters on exit nodes

[F. Fox]

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Geoff Down wrote:
> Hi,
>  I work in antiphishing, and use Tor to access some phish sites.
> Today I got an OpenDNS Phish Warning page instead of the phish I was
> trying to see. The site was visible with Tor switched off.
>  Is there a policy regarding content filtering at exit nodes?

First of all, I think there's a good chance that this "filtering" is
accidental. The owner probably has their central resolver(s) or machines
resolving from OpenDNS - and I don't know exactly how they do things by
 default.

As far as the larger issues: Technically - as Tor is (mainly)
decentralized - there's really no "policy" regarding what node operators
do with their nodes.

However, content filtering or the gathering of information* - for any
reason or in any form, even if the owner believes it to be for the good
of the users - tends to get a very cold reception. This is from both the
personal liberty and anti-government surveillance standpoints.


*: Sometimes it's necessary to collect information for debugging
purposes; however, best practice is to collect as little as possible,
and destroy it as quickly as possible. And of course, sharing is a no-no. :D

- --
F. Fox
AAS, CompTIA A+/Network+/Security+
Owner of Tor node "kitsune"
http://fenrisfox.livejournal.com
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