man kf (Commandes) - kf
NAME
kf - securely forward tickets
SYNOPSIS
-p port |--port Ns = Ns port-l login |--login Ns = Ns login-c ccache |--ccache Ns = Ns ccache [-F | -forwardable] [-G | -no-forwardable] [-h | -help] [--version]host ...
DESCRIPTION
The program forwards tickets to a remote host through an authenticated and encrypted stream. Options supported are:
- Xo
 - -p port , --port Ns = Ns port port to connect to
 - Xo
 - -l login , --login Ns = Ns login remote login name
 - Xo
 - -c ccache , --ccache Ns = Ns ccache remote cred cache
 - -F , -forwardable
 - forward forwardable credentials
 - -G , -no-forwardable
 - do not forward forwardable credentials
 - -h , -help
 - --version
 
is useful when you do not want to enter your password on a remote host but want to have your tickets one for example AFS.
In order for to work you will need to acquire your initial ticket with forwardable flag, i.e. kinit --forwardable .
telnet is able to forward tickets by itself.