Here are the rules on the vanilla server:
1. No griefing
1 day tempban

2. No hacking
1 warning
3. No advertising
Instant ban

4. No asking for op or items
Instant ban

5. No spawnkilling
Kick

6. No racist or sexist remarks
Instant permban
7. No hacking
1 day tempban

8. No exploiting
1 warning

9. Respect players

10. Respect staff

11. No racist, pornographic, drug, political or religious talk
Permanent ban

12. Do not threaten in any way to hack the server or other players.
Permanent ban

13. You are responsible for your own account

14. No inappropriate skins or buildings
1 day temp ban

15. Do not ask for personal information
1 week ban