NetworkInterceptor 3.2.1 adds a new configuration node
Code (Text):
# Blocked plugins
# No network connections by the listed plugin(s) will be allowed, period.
# Remove [] on the next line, and add the following line (without the # comment).
# - pluginName
blocked-plugins: []
Blocked-plugins prevents outbound network connections by the listed plugins, even if they would otherwise be allowed by other configuration nodes.