/usr/share/metview/etc/ConfigRules 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 | %if USE_NETWORK_PROXY = no %then
%unset PROXY_URL
%unset PROXY_PORT
|