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Which of these is NOT a valid approach to 'input handling' in web applications?
Reject known alignment
Accept known good
Reject known bad
Sanitization
The methods of rejecting known bad input and accepting known good input are known as blacklisting and whitelisting, respectively, and both of these are valid methods of input handling. Sanitization involves modifying input so that it matches an accepted character set. Rejecting known alignment is not a technique used for input handling.
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