I wonder if anyone could shine any light on the significance of a "?" in the
type column on issuing the command "SHOW UCX PROXY" on a Vax 4000 running
VMS 5.5.  The command always completes although it can be rather slow (>15
mins) to display the contents of the database :

$ UCX SHOW PROXY

VMS User_name     Type      User_ID    Group_ID   Host_name

NFS_SUPER         OND             0           0   CRATER
NFS_SUPER         ON?             0           0   DORADO, SERPENS
NFS_SUPER         OND             0           0   GRUS, DRACO, LEO
NFS_SUPER         ON?             0           0   CETUS, LACERTA, LPSS11,
                                                  CARINA, PICTOR, LPSS12,
                                                  LPSS2, WHTDAS14, WHTDAS15
NFS_SUPER         OND             0           0   LPSS85, LPSS17, LPSS88
NOBODY            OND            -2          -2   CRATER
NOBODY            ON?            -2          -2   DORADO, SERPENS
NOBODY            OND            -2          -2   GRUS, DRACO, LEO
NOBODY            ON?            -2          -2   CETUS, LPSS11, CARINA,
                                                  PICTOR, LPSS12, LPSS2,
                                                  WHTDAS14, WHTDAS15
NOBODY            OND            -2          -2   LPSS85, LPSS17, LPSS88
NOBODY            ON?            -2          -2   LACERTA
OBSERVER          ON?          7008        7000   CRATER, DORADO, SERPENS
OBSERVER          OND          7008        7000   GRUS, DRACO, LEO
OBSERVER          ON?          7008        7000   CETUS, LPSS11, CARINA,
                                                  PICTOR, LPSS12, LPSS2,
                                                  WHTDAS14, WHTDAS15
OBSERVER          OND          7008        7000   LPSS85, LPSS17
OBSERVER          ON?          7008        7000   LACERTA, LPSS88
$