selon le man, xhost permet d'ajouter des noms d'hotes ou d'utilisateurs
dans la list permettant de créer des connexions au serveur X ou de les
retirer de celle-ci.
salut
d'apres le man
si tu veux autoriser un utilisateur :
*+]*/name/
The given /name/ (the plus sign is optional) is added to the list
allowed to connect to the X server. The name can be a host name or a
user name.
si tu veux retirer cette autorisation
*-*/name/
The given /name/ is removed from the list of allowed to connect to
the server. The name can be a host name or a user name. Existing
connections are not broken, but new connection attempts will be
denied. Note that the current machine is allowed to be removed;
however, further connections (including attempts to add it back)
will not be permitted. Resetting the server (thereby breaking all
connections) is the only way to allow local connections again.
*+*
Access is granted to everyone, even if they aren't on the list
(i.e., access control is turned off).
*-*
Access is restricted to only those on the list (i.e., access control
is turned on).
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