Would it be a good idea to filter out recurring(bypassing filter) NULL Bytes from CGI?

I started playing around with a filter that can do it. But I'm not sure where would be the best place to implement the filter. Should it do all the names and values of the param's or just as it calls them by name and only filter the values of the names?

In reply to CGI.pm Filter out recurring NULL Bytes by $h4X4_|=73}{

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