.RI ( "Operation not permitted" ", or " "Not owner" ).
If the file does exist it will be searched for a line of the form
.nf
-.IR addrmin [\fB\-\fR addrmax ]\fB,\fR portmin \fB\-\fR portmax
+.IR addrmin [\fB\-\fR addrmax ]\fB,\fR portmin [\fB\-\fR portmax ]
+.IR addr [\fB/\fR length ]\fB,\fR portmin [\fB\-\fR portmax ]
.IB addr4 / length : portmin , portmax
.fi
matching the request.
The first form requires that the address lies in the
relevant range (inclusive at both ends).
-The second form requires that the initial
+The second and third forms require that the initial
.I length
bits of
.I addr
match those in the proposed
.B bind
-call and is only available for IPv4.
-Addresses can
-be in any form acceptable to inet_pton. In both cases
+call. The third form is only available for IPv4 since IPv6 addresses
+contain colons.
+Addresses in the byuid file can
+be in any form acceptable to inet_pton. In all cases
the proposed port number must lie is in the inclusive range
specified. If such a line is found then the binding is authorised.
Otherwise it is not, and