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dropbear [2014/07/31 10:17] (current)
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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>​