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Docs: bugref:10302. Uploading .dita user manual files we received from the doc team on 25th Jan.
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| 1 | <?xml version='1.0' encoding='UTF-8'?>
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| 2 | <!DOCTYPE topic PUBLIC "-//OASIS//DTD DITA Topic//EN" "topic.dtd">
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| 3 | <topic xml:lang="en-us" id="nat-adv-alias">
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| 4 | <title>Configuring Aliasing of the NAT Engine</title>
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| 5 |
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| 6 | <body>
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| 7 | <p>
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| 8 | By default, the NAT core uses aliasing and uses random ports
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| 9 | when generating an alias for a connection. This works well for
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| 10 | the most protocols like SSH, FTP and so on. Though some
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| 11 | protocols might need a more transparent behavior or may depend
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| 12 | on the real port number the packet was sent from. You can change
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| 13 | the NAT mode by using the following commands:
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| 14 | </p>
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| 15 | <pre xml:space="preserve">$ VBoxManage modifyvm <varname>VM-name</varname> \
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| 16 | --nataliasmode1 proxyonly</pre>
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| 17 | <pre xml:space="preserve">$ VBoxManage modifyvm "Linux Guest" --nataliasmode1 sameports</pre>
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| 18 | <p>
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| 19 | The first example disables aliasing and switches NAT into
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| 20 | transparent mode, the second example enforces preserving of port
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| 21 | values. These modes can be combined if necessary.
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| 22 | </p>
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| 23 | </body>
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| 24 |
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| 25 | </topic>
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