➥ How to connect to ssh server with a proxy

username - the name of your remote server machine (root, blabla) ,
DestinationServer - your remote server (webleit.info , blabla.com) ,
PROXYHOST - your proxy (192.168.1.20, xx.xx.xx.xx) ,
PROXYPORT - (3128, 8080, xxxx).
apt-get install openssh-client
ssh username@DestinationServer -o "ProxyCommand=nc -X connect -x PROXYHOST:PROXYPORT %h %p"