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note about constant_time_strcmp and lengths
author Matt Johnston <matt@ucc.asn.au>
date Wed, 03 Jun 2015 22:15:12 +0800
parents fe6bca95afa7
children
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1 Dropbear for Debian
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2 -------------------
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4 This package will attempt to listen on port 22. If the OpenSSH
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5 package ("ssh") is installed, the file /etc/default/dropbear
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6 will be set up so that the server does not start by default.
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8 You can run Dropbear concurrently with OpenSSH 'sshd' by
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9 modifying /etc/default/dropbear so that "NO_START" is set to
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10 "0" and changing the port number that Dropbear runs on. Follow
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11 the instructions in the file.
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13 This package suggests you install the "ssh" package. This package
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14 provides the "ssh" client program, as well as the "/usr/bin/scp"
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15 binary you will need to be able to retrieve files from a server
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16 running Dropbear via SCP.
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18 Replacing OpenSSH "sshd" with Dropbear
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19 --------------------------------------
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20
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21 You will still want to have the "ssh" package installed, as it
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22 provides the "ssh" and "scp" binaries. When you install this
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23 package, it checks for existing OpenSSH host keys and if found,
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24 converts them to the Dropbear format.
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26 If this appears to have worked, you should be able to change over
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27 by following these steps:
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29 1. Stop the OpenSSH server
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30 % /etc/init.d/ssh stop
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31 2. Prevent the OpenSSH server from starting in the future
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32 % touch /etc/ssh/sshd_not_to_be_run
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33 3. Modify the Dropbear defaults file, set NO_START to 0 and
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34 ensure DROPBEAR_PORT is set to 22.
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35 % editor /etc/default/dropbear
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36 4. Restart the Dropbear server.
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37 % /etc/init.d/dropbear restart
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38
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39 See the Dropbear homepage for more information:
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40 http://matt.ucc.asn.au/dropbear/dropbear.html
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