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Security
After setting up your initial IBM® Sametime® environment, you may want to make additional changes to safeguard information at your site, including limiting user access to certain features, using encryption, and modifying default security settings.
Working with Domino® security in Sametime®
The IBM® Sametime® Community server uses the Internet and intranet security features of the IBM Domino® server on which it is installed to authenticate web browser users who access Domino databases on the server.
Using database ACLs for identification and authentication
Identification and authentication is the process of determining the name of a user and verifying that users are who they say they are. You can use database Access Control Lists (ACLs) to control access to individual databases on the server.
Anonymous access and database ACLs
You can set a database ACL to allow anonymous access.

Anonymous access and database ACLs

You can set a database ACL to allow anonymous access.

Anonymous access has the following characteristics:

Users are not identified or authenticated when they access databases and applications on the server.
Data sent between the user and the Sametime® server is not encrypted.
Anonymous users are not identified in the maintenance log files. All anonymous user activity is recorded under the name "Anonymous."

The anonymous access level requires the least maintenance from the administrator, but it is the least secure. You should only allow anonymous access when you do not need to know the identity of users accessing your server. For example, use anonymous access if the Sametime server is behind your firewall and you plan to allow only trusted intranet users to access it.