Red Hat NETSCAPE MANAGEMENT SYSTEM 6.2 - COMMAND-LINE Guida di Installazione Scaricare il pdf (Pagina 6)

This document is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without

even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See

the GNU General Public License for more details.

You can get a copy of the GNU GPL at at http://www.gnu.org/copyleft/gpl.html.

1.4. Credits

Many thanks to those who helped with the production of this document.

Bill Staehle, who has done a little bit of everything: ideas, editing, encouragement, and suggestions,

many of which have been incorporated. Bill helped greatly with the content of this document.

•

Others who have contributed in one way or another: Dave Wreski, Ian Jones, Jacco de Leeuw, and

Indulis Bernsteins.

•

Various posters on comp.os.linux.security, a great place to learn about Linux and security. •

The Netfilter Development team for their work on iptables and connection tracking, state of the art

tools with which to protect our systems.

•

1.5. Disclaimer

The author accepts no liability for the contents of this document. Use the concepts, examples and other

content at your own risk. As this is a new document, there may be errors and inaccuracies. Hopefully these

are few and far between. Corrections and suggestions are welcomed.

This document is intended to give the new user a starting point for securing their system while it is connected

to the Internet. Please understand that there is no intention whatsoever of claiming that the contents of this

document will necessarily result in an ultimately secure and worry−free computing environment. Security is a

complex topic. This document just addresses some of the most basic issues that inexperienced users should

be aware of.

The reader is encouraged to read other security related documentation and articles. And to stay abreast of

security issues as they evolve. Security is not an objective, but an ongoing process.

1.6. New Versions and Changelog

The current official version can always be found at

http://www.tldp.org/HOWTO/Security−Quickstart−Redhat−HOWTO/. Pre−release versions can be found at

http://feenix.burgiss.net/ldp/quickstart−rh/.

Other formats, including PDF, PS, single page HTML, may be found at the Linux Documentation HOWTO

index page: http://tldp.org/docs.html#howto.

Changelog:

Version 1.2: Clarifications on example firewall scripts, and small additions to 'Have I been Hacked'. Note on

Zonealarm type applications. More on the use of "chattr" by script kiddies, and how to check for this. Other

Security Quick−Start HOWTO for Red Hat Linux

1.4. Credits 3

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Red Hat NETSCAPE MANAGEMENT SYSTEM 6.2 - COMMAND-LINE Guida di Installazione Pagina 6