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Practical Programming in Tcl & Tk, Third Edition by Brent B. Welch

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Configuring Security Policies

There are three aspects to the plugin security policy mechanism: policies, features, and trust maps. A policy is an umbrella for a set of features that are allowed for certain Tclets based on the trust map. A feature is a set of commands and aliases that are defined for a safe interpreter that requests a policy. The trust map is kind of filter based on the URL of the Tclet. In the future, trust may bet determined by digital signatures instead of URLs. The trust map determines if a Tclet can request a given policy.

Security Policies are configured for each client.

Remember that the configuration files affect the client ...

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