In order to prevent a number of tooltalk security problems,
a new method of tooltalk authentication was introduced.
This method uses a shared secret authentication system, using
$HOME/.TTauthority. This new authentication scheme is the
Both systems that don't share home directories and systems with older
tooltalk client software won't be able to connect.
In the case of different home directories/user ids, you will
need to transfer TTauthority information. This works much
like $HOME/.Xauthority information. The new command to
use is ttauth(1)
In the case of older client software, you will need to install
the relevant ToolTalk patches. These are available for
Solaris 2.4 onwards.