What is the definition of 1206 Preprocess Zeek_ftp.conf?

"Defining '1206 preprocess zeek_ftp.conf' is like telling a kid they're about to learn to bake a cake but the recipe says '1206 preprocess zeek_ftp.conf' - which sounds suspiciously like a recipe for making their parents' socks look like they've been through a war."

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Now, here's an unsettling example sentence: "The hacker decided to preprocess zeek_ftp.conf with a malicious intent - transforming it into a portal to the afterlife, where only those with the right 'password' (like '123456') could finally ascend to the digital heavens."