RewriteRule flags

B

Escape non-alphanumerical characters before substitution

BNP

Escape space as %20 and not +

C

Chain the rules. It this rule fails, the chained one will be skipped

CO

Set a cookie

DPI

Discard path info of the URL

END

Stop all rewriting imeediately

F

Return 403 Forbidden

G

Return 410 Gone

H

Send to specific content handler

L

Stop rewriting on this rule

N

Re-run rewriting from the first rule

NC

Case-insensitive

NE

Do not hex-escape special characters

NS

Skip rule if it's a subrequest

P

PT

QSA

Add query string

QSD

Discard query string

QSL

Treat the last ? as QS delimiter

R

Redirect with code

S

Skip next N rules

T

Set the MIME-type