scponly is an alternative ’shell’ (of sorts) for system administrators who would like to provide access to remote users to both read and write local files without providing any remote execution privileges. Functionally, it is best described as a wrapper to the tried and true ssh suite of applications.

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Clam AntiVirus is an open source (GPL) anti-virus toolkit for UNIX, designed especially for e-mail scanning on mail gateways. It provides a number of utilities including a flexible and scalable multi-threaded daemon, a command line scanner and advanced tool for automatic database updates. The core of the package is an anti-virus engine available in a form of shared library.

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PolicyKit is an application-level toolkit for defining and handling the policy that allows unprivileged processes to speak to privileged processes: It is a framework for centralizing the decision making process with respect to granting access to privileged operations for unprivileged applications. PolicyKit is specifically targeting applications in rich desktop environments on multi-user UNIX-like operating systems. It does not imply or rely on any exotic kernel features.

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Create a tool for host-based iptables firewall configuration. This tool should provide an easy to use interface to the user, as well as support package integration and dynamic-detection of open ports.

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This is very useful if you want to block internet access to your kids or particular users

First you need to edit the network interfaces file using the following comamnd

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