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dropbear [2014/07/31 16:17] (current) – created - external edit 127.0.0.1
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 +====== dropbear ======
  
 +  * [[monit]]
 +  * [[OpenSSH]]
 +
 +=== Configuration ===
 +
 +  * Port 222
 +  * Disallow root password logins
 +
 +**Gentoo**
 +
 +<code>DROPBEAR_OPTS="-p 222 -g"</code>
 +
 +**CentOS**
 +
 +Edit ''/etc/sysconfig/dropbear'' and add:
 +
 +<code>DROPBEAR_OPTS="-p 222 -g"</code>
 +
 +=== Debug Configuration / Login Issues ===
 +
 +Disable background fork and log to stdout.
 +
 +<code>
 +dropbear -F -E -p 222
 +</code>
 +
 +== Options ==
 +
 +Dropbear options:
 +
 +  * **-w** - disable root login
 +  * **-s** - disable password authentication
 +  * **-p** - use port #
 +  * **-F** - Don't fork in background (for inittab)
 +  * **-g** - no root password logins
 +
 +== inittab ==
 +
 +<code>
 +/usr/sbin/dropbear -F -g -p 222
 +</code>
 +
 +=== FreeBSD ===
 +
 +You need to patch ''/usr/ports/security/dropbear/files/dropbear.in'' with this file: [[http://freebsd.digitaltrike.com/deployment/dropbear.patch|dropbear_args patch]]
 +
 +<code>
 +cd /usr/ports/security/dropbear && make clean install
 +mkdir -p /usr/local/etc/dropbear
 +echo dropbear_enable=YES >> /etc/rc.conf
 +echo dropbear_args=\"-p 222\" >> /etc/rc.conf
 +/usr/local/etc/rc.d/dropbear keygen
 +/usr/local/etc/rc.d/dropbear start
 +</code>
 +
 +==== Ubuntu ====
 +
 +Configuration file is at ''/etc/default/dropbear'':
 +
 +<code>
 +NO_START=0
 +DROPBEAR_PORT=222
 +DROPBEAR_EXTRA_ARGS=""
 +
 +# Disable root logins
 +DROPBEAR_EXTRA_ARGS="-w $DROPBEAR_EXTRA_ARGS"
 +
 +# Disable password logins
 +DROPBEAR_EXTRA_ARGS="-s $DROPBEAR_EXTRA_ARGS"
 +
 +# Disable password logins for root
 +DROPBEAR_EXTRA_ARGS="-g $DROPBEAR_EXTRA_ARGS"
 +</code>

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