These are some content creation guidelines that some hosting services follow — call it ethical porn. Some are based on real guidelines from major credit card companies, which are the key players for any website that wants to make money. Others are based on brand protection. When people search for things like CNC and snuff, they will find it — probably a dealer on VHS somewhere.
These are some of the guidelines I have seen.
– No vampires or undead. This can be linked to sex with a non-living person, which is illegal. But we all agree on the fantasy, or a creature of fantasy… and also no blood.
– No werewolves. Yes, another creature of the night got the axe. This is because it can be seen as an animal and can be linked to bestiality.
– Ghosts. This is one of the hardest to produce, I think, and it involves a non-living person, so it’s illegal.
– Magic potions and magic spells. Since they give power over consent, they are not permitted.
– Aliens. Some will ban tentacle porn because it can be seen as a creature and linked to bestiality.
– No guns, knives, or alcohol. We can say porn is like movies, but they want to be sure — safety first.
– Urination is okay, but no drinking it. No feces, no blood.
– No hypnosis or drugs, even on a fantasy basis, as these play on consent.
