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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.

connected 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)
disconnected This picture appears if anonymity is switched off. All surfing will be allowed after confirmation only.
nomeasure 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.
connecting 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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Stable Version

Beta Version


Status of available AN.ON services and information about them.

Aktuell / News

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...