I'm trying to permit download of gif, jpeg, mpt4, png, svg, webp, and woff, and deny everything else in both directions. I tried 1) setting up a block rule for any file type in both direction and an allow rule for the file types above for download only 2) setting up the allow rule, and then updating the block rules manually selecting every single listed file type except those above Later on, I saw that the list of file types in the block rule got truncated (dangerously). For that reason, I went back to approach 1), where webp files are still being blocked. How can I safely get the rules to work properly?
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