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The Anonym-O-Meter
The Anonym-O-Meter displays visual information about the status and the
security of the selected service. Detailed information with more concrete data
can be reviewed at Details.
From the information the Anonym-O-Meter gives, a partially subjective risk
of observation and a maximum level of anonymity can be deducted. The more
active users sending and receiving packets there are the higher the level of
anonymity for every single packet will be. That is because potentially every
user could have been the source of the particular packet. The number and distribution of mix operators is also crucial: the more mixes there are in a cascade and the further they are spread across the globe, the less likely will it be that a user can be observed by an operator or third parties. Which value you should prefer depends on the potential observer that you want to protect yourself from. This evaluation provides, besides an informational function for the
users, also positive incentives for commercial mix operators to preferably form secure cascades.
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A picture similar to this shows that you are connected to an
anonymization service. The symbols measure the approximate level of
anonymity offered by the active service. The left symbols (server
icons) reflect the number of servers and operators (optimum: three
operators). The colors of connections in-between describe the
international distribution of these servers. The more non-grey colors
you see, the better distributed this service is. (optimum: operators
and mixes in three different countries = one blue and one green
connection). The right symbol evaluates the number of active users on
the service (optimum: at least 500). Those two values, distribution and
users, are additionally reflected in two evaluation bars on the bottom:
they turn more or less green according to the values (full green is
optimum). In pure number representation, both values range from 0 to 6,
separated by commas (e.g. 5,4 / 6,6 - the two last values describe the
theoretic maximum: first distribution, last users) |
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This picture appears if anonymity is switched off. All surfing will
be allowed after confirmation only. |
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If this picture is displayed, a connection to the service is active
and you can surf anonymously. But no status information could yet be
obtained from the InfoService. This
could be an error in the InfoService, a slow Internet connection, a
blocking (personal) firewall or simply because you have forbidden JonDo to request the
InfoServices automatically. |
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This picture is shown while JonDo is trying to connect to an
anonymization service. Meanwhile, no connection will be allowed through
JonDo. |
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Restrictions for the Dresden (JAP) anonymisation servers
After careful consideration we have decided to restrict the size of downloads over the Dresden (JAP) mixes a little. The reason is to allow a more fair use of scarce resources of our servers especially for users who simply want to surf the Web. more...
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