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(itstool) path: sect1/para
Here is the experiment:
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Context English Norwegian Bokmål State
We also need a way to capture the raw network data. A program called <citerefentry><refentrytitle>tcpdump</refentrytitle><manvolnum>1</manvolnum></citerefentry> lets you do this, if you have enabled the <emphasis>Berkeley Packet Filter</emphasis> interface in your <link linkend="kernel">kernel's config file</link>.
We trenger også en metode for å fange rådata fra nettverket. Et program med navn <citerefentry><refentrytitle>tcpdump</refentrytitle><manvolnum>1</manvolnum></citerefentry>lar deg gjøre dette, hvis du har aktivert <emphasis>Berkeley Packet Filter</emphasis> brukergrensesnittet i din <link linkend="kernel">kernel's konfigurasjons fil</link>.
The command:
Kommandoen:
<userinput>tcpdump -c 4000 -s 10000 -w <replaceable>dumpfile.bin</replaceable></userinput>
<userinput>tcpdump -c 4000 -s 10000 -w <replaceable>dumpfile.bin</replaceable></userinput>
will capture 4000 raw packets to <replaceable>dumpfile.bin</replaceable>. Up to 10,000 bytes per packet will be captured in this example.
Vil fange 4000 rå pakker til <replaceable>dumpfile.bin</replaceable>. Opp til 10,000 bytes pr pakke vil bli fanget i dette eksempelet.
The Experiment
Eksperimentet
Here is the experiment:
Her er eksperimentet:
Open a window to an IPsec host and another window to an insecure host.
Åpne et vindu til en IPsec vert og et annet vindu til en usikker vert.
Now start <link linkend="tcpdump">capturing packets</link>.
Start så <link linkend="tcpdump">fange pakker</link>.
In the <quote>secure</quote> window, run the <trademark class="registered">UNIX</trademark> command <citerefentry><refentrytitle>yes</refentrytitle><manvolnum>1</manvolnum></citerefentry>, which will stream the <literal>y</literal> character. After a while, stop this. Switch to the insecure window, and repeat. After a while, stop.
I det <quote>sikre</quote> vinduet, kjør <trademark class="registered">UNIX</trademark> command <citerefentry><refentrytitle>yes</refentrytitle><manvolnum>1</manvolnum></citerefentry>, som vil streame <literal>y</literal> tegnet. Stopp dette etter en stund. Bytt til det usikre vinduet, og gjenta. Etter en stund, stopp.
Now run <link linkend="code">MUST</link> on the captured packets. You should see something like the following. The important thing to note is that the secure connection has 93% (6.7) of the expected value (7.18), and the <quote>normal</quote> connection has 29% (2.1) of the expected value.
Kjør nå <link linkend="code">MUST</link> på de fangede pakker. Du bør se noe som det følgende. Det viktige å merke seg er at den sikre tilkoblingen har 93% (6,7) av den forventede verdien (7.18), og <quote>normal</quote> tilkoblingen har 29% (2.1) av den forventede verdien.
<prompt>%</prompt> <userinput>tcpdump -c 4000 -s 10000 -w <replaceable>ipsecdemo.bin</replaceable></userinput>
<prompt>%</prompt> <userinput>uliscan <replaceable>ipsecdemo.bin</replaceable></userinput>

Uliscan 21 Dec 98
L=8 256 258560
Measuring file ipsecdemo.bin
Init done
Expected value for L=8 is 7.1836656
6.9396 --------------------------------------------------------
6.6177 -----------------------------------------------------
6.4100 ---------------------------------------------------
2.1101 -----------------
2.0838 -----------------
2.0983 -----------------
<prompt>%</prompt> <userinput>tcpdump -c 4000 -s 10000 -w <replaceable>ipsecdemo.bin</replaceable></userinput>
<prompt>%</prompt> <userinput>uliscan <replaceable>ipsecdemo.bin</replaceable></userinput>

Uliscan 21 Dec 98
L=8 256 258560
Measuring file ipsecdemo.bin
Init done
Expected value for L=8 is 7.1836656
6.9396 --------------------------------------------------------
6.6177 -----------------------------------------------------
6.4100 ---------------------------------------------------
2.1101 -----------------
2.0838 -----------------
2.0983 -----------------

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Here is the experiment:
Her er eksperimentet:
5 months ago
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(itstool) path: sect1/para
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article.translate.xml:110
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9 months ago
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articles/nb_NO/ipsec-must.po, string 26