1 \chapter*{Requests for Comments}

2

3 \name{Requests for Comments} are documents that propose or define Internet standards or best practices. They are controlled by the \name{Internet Engeneering Task Force} (short: \NAME{IETF}) and can be found on their website: {\small\url{http://ietf.org}}\,.

4

5 A particular \RFC\ is located at {\small\url{http://tools.ietf.org/rfc/rfcNNNN.txt}}\,, where ``\texttt{NNNN}'' is the four-digit number of that \RFC. For example is \RFC\,821 located at {\small\url{http://tools.ietf.org/rfc/rfc0821.txt}}\,.

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7 More comfortable to browse are the \NAME{HTML} formated representations which contain navigation hyperlinks. They are accessable at {\small\url{http://tools.ietf.org/html/rfcNNNN}}\,.

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9 Following is a list of \RFC{}s which are relevant for this thesis.

10

11 \begin{description}

12 \item[\RFC\,821]

13 \emph{Simple Mail Transfer Protocol} (obsoleted by \RFC\,2821)

14

15 \item[\RFC\,822]

16 \emph{Standard for the format of \NAME{ARPA} Internet text messages} (obsoleted by \RFC\,2822)

17

18 \item[\RFC\,0000]

19 \emph{}

20

21

22 \end{description}