/usr/share/metview/etc/CptecAccessRules is in metview-data 5.0.0~beta.1-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 | %if TYPE = MODEL %then
%unset OBSERVATION
%if TYPE = OBSERVATION %then
%unset MODEL
%unset LEVEL_TYPE
%unset LEVEL_LIST
%unset PARAMETER
%unset STEP
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