[GitHub] [trafficserver] traeak commented on issue #7974: background_fetch plugin requires server support 206s

[GitBox <gi...@apache.org>]

traeak commented on issue #7974:
URL: https://github.com/apache/trafficserver/issues/7974#issuecomment-867864845


   Workaround is to add 2 header rewrites, one before and one after the background_fetch plugin with example rewrites:
   
   before:
   ```
   cond %{READ_RESPONSE_HDR_HOOK}
   cond %{CLIENT-HEADER:Range} = "" [NOT]
   cond %{STATUS} = 200
   set-status 206
   set-header X-Was200 true
   ```
   
   after:
   ```
   cond %{READ_RESPONSE_HDR_HOOK}
   cond %{HEADER:X-Was200} = "" [NOT]
   set-status 200
   rm-header X-Was200
   ```
   
   Probably can use a private header instead of an X- header.


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