[support] RewriteRules and Multisites

[marcob]

I've searched in Drupal forums and on the net, but couldn't manage to  
get this solved:

How to redirect each multisite "mysite.com" to it's respective  
"www.mysite.com" ?

I tryed many RewriteRules:

RULE 1:
RewriteCond %{HTTP_HOST} !^www\.site1\.com$ [NC]
RewriteRule ^(.*)$ http://www.site1.com/$1 [L,R=301]

RESULT:
all my sites are redirected to "www.site1.com"
------------------------------------------------------------------------ 
---------------------------
RULE 2:
RewriteCond %{HTTP_HOST} !^www\.site1\.com$ [NC]
RewriteRule ^(.*)$ http://www.site1.com/$1 [L,R=301]

RewriteCond %{HTTP_HOST} !^www\.site2\.com$ [NC]
RewriteRule ^(.*)$ http://www.site2.com/$1 [L,R=301]

RESULT:
Too many redirects occurred trying to open “http://www.kiteatlas.com/”.
This might occur if you open a page that is redirected to open another  
page which
then is redirected to open the original page.
------------------------------------------------------------------------ 
---------------------------
RULE 3:
  RewriteCond %{HTTP_HOST} ^www\.[^.]+\.com$ [NC]
  RewriteRule ^http://www\.([^.]+)\.com/$1 [L,R=301]

RESULT:
Nothing happens. Site addresses are not redirected in any way  
apparently.
------------------------------------------------------------------------ 
---------------------------

Please, could anyone suggest a RewriteRule (Cond) that redirects ALL  
multisites to
their corresponding www. address?

I swear I will make the reply into a Handbook page ;)

Cheers,
Marco
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