(TMZ) Bravo is on the rampage ... after the network discovered a XXX website using the "Real Housewives" good name to promote its sex performers -- and now, they're gunning to shut the whole site down.
A rep for the reality network fired off a letter on Monday to RealHousewivesofScottsdale.com -- a site that boasts live XXX performances from several "housewives" -- and accused the site of sullying the "Real Housewives" reputation.
Bravo claims RHOS is infringing on their trademark -- insisting site operators better pull the plug on the entire operation stat ... or else. But the site owner ain't scared -- telling us, he's not pulling the plug on anything ... and he's willing to go to court over it. more on this story