-to obtain tickets
-for the remote host in realm
-.Ar realm
-instead of the remote host's realm as determined by
-.Xr krb_realmofhost 3 .
-.Tp Fl x
-The
-.Fl x
-option turns on DES encryption for all data passed by
-.Nm rcp .
-This may impact response time and CPU utilization, but provides
-increased security.
-.Tp