Raspberry Pi SSH configuration

tcpwrappers worked for me.


Todo: http://jjjjango.blogspot.com/2015/01/secure-your-raspberry-pi.html


https://www.raspberrypi.org/forums/viewtopic.php?f=36&t=138899 - Disabling ipv6. Last entry worked:

Add ipv6.disable=1 to cmdline.txt

cat /etc/modprobe.d/ipv6.conf
# Don't load ipv6 by default
alias net-pf-10 off
# uncommented
alias ipv6 off
# added
options ipv6 disable_ipv6=1
# this is needed for not loading ipv6 driver
blacklist ipv6