[Varnish] #230: Set bereq.host = backend.host if backend host is domain name (instead of ip address)

[Varnish]

#230: Set bereq.host = backend.host if backend host is domain name (instead of ip
address)
----------------------+-----------------------------------------------------
 Reporter:  runa      |        Owner:  phk    
     Type:  defect    |       Status:  closed 
 Priority:  normal    |    Milestone:         
Component:  varnishd  |      Version:  trunk  
 Severity:  normal    |   Resolution:  wontfix
 Keywords:            |  
----------------------+-----------------------------------------------------
Changes (by phk):

  * status:  new => closed
  * resolution:  => wontfix

Comment:

 By default we do not overwrite the Host: header sent to the backend,
 unless the request did not have one to begin with, in which case we do in
 fact use the raw string from the backend definition as Host: content.

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Ticket URL: <http://varnish.projects.linpro.no/ticket/230#comment:1>
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