Moses Jakubowski
Moses Jakubowski voted up Anonymous' answer

Quoting from themod_rewrite documentation:

"You will almost always want to use[R]in conjunction with[L](that is, use[R,L]) because on its own, the[R]flag prependshttp://thishost[:thisport]to the URI, but then passes this on to the next rule in the ruleset, which can often result in 'Invalid URI in request' warnings."

In fact, I'd recommend using[NS,L,R=code]for external redirects, … Read more