Zombie MOD Illegal cading list

[Epic]

You guys really need a list of the illegal cading for your server. You would see plenty of people working and setting up a cade, then all of a sudden an admin spouts "GTFO of there. It's illegal. I'll ban you in 30 seconds if you don't."

So... Right I'll start out with just the tiny few I've heard of so far. If there's anything else you guys believe is illegal then add it to the list.
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Note: Glitching through maps is prohibited, i.e. locations where you're not legally able to get to.

tx_highschool_beta:
Cading in redroom

zm_scrapyard:
Cading under Elevator

zm_snoopie_711_final_fixed1:
Using Shelf in Middle Room


Edit: I'll come back to add pictures/videos of these incidents so you can learn and understand from them for future reference.