Tutorials Copyright

Copyright © 2000-2009 by Aiko Pras, University of Twente, Enschede, the Netherlands.

Outside the University of Twente all tutorial material may be used for non-commercial educational purposes, under the condition that the source of this tutorial will explicitely be acknowledged. In addition it is requested to submit corrections and ideas for improvement to [email protected].

Acknowledgements: Parts of these tutorials have been produced within the Internet Next Generation and CANDLE projects.

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Please note that parts of these tutorials are based on / have been derived from IETF RFCs. These RFCs have the following copyright statement:

Copyright (C) The Internet Society (2000).  All Rights Reserved.

This document and translations of it may be copied and furnished to
others, and derivative works that comment on or otherwise explain it
or assist in its implementation may be prepared, copied, published
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kind, provided that the above copyright notice and this paragraph are
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followed, or as required to translate it into languages other than
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The limited permissions granted above are perpetual and will not be
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