Configurasi SSH (Tunneling)
=== Centos ===
# yum update 
# yum install nano
# nano /etc/ssh/sshd_config [Pengaturan OpenSSH, tambahankan port bila mau]
# service sshd restart
# netstat -nlpt | grep ssh
# rpm -Uvh http://goo.gl/ZS3CMa 
|| OR || 
http://ftp-stud.hs-esslingen.de/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm
# yum install dropbear 
# nano /etc/init.d/dropbear [Tambah OPTIONS="-p 443"]
# service dropbear start
# chkconfig dropbear on
# echo "/bin/false" >> /etc/shells [ Auto StartUp ]
# service dropbear restart

Pada dasarnya untuk debian sama tetapi menggunakan "apt-get"
service ssh restart *OpenSSH
nano /etc/default/dropbear *Dropbear START=0