Hi. moseleymark <https://www.varnish-cache.org/users/moseleymark> in the forum, commented that Varnish responds with a "200 OK" when responding to ranged requests. Looking at the tests, that seems to be desired behavior.
Looking at RFC 2049 I think the correct response is "206 partial". From http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html : 10.2.7 206 Partial Content The server has fulfilled the partial GET request for the resource. The request MUST have included a Range header field (section 14.35) indicating the desired range, and MAY have included an If-Range header field (section 14.27 <http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.27>) to make the request conditional. The response MUST include the following header fields: - Either a Content-Range header field (section 14.16) indicating the range included with this response, or a multipart/byteranges Content-Type including Content-Range fields for each part. If a Content-Length header field is present in the response, its value MUST match the actual number of OCTETs transmitted in the message-body. - Date - ETag and/or Content-Location, if the header would have been sent in a 200 response to the same request - Expires, Cache-Control, and/or Vary, if the field-value might differ from that sent in any previous response for the same variant If the 206 response is the result of an If-Range request that used a strong cache validator (see section 13.3.3), the response SHOULD NOT include other entity-headers. If the response is the result of an If-Range request that used a weak validator, the response MUST NOT include other entity-headers; this prevents inconsistencies between cached entity-bodies and updated headers. Otherwise, the response MUST include all of the entity-headers that would have been returned with a 200 (OK) response to the same request. A cache MUST NOT combine a 206 response with other previously cached content if the ETag or Last-Modified headers do not match exactly, see 13.5.4 <http://www.w3.org/Protocols/rfc2616/rfc2616-sec13.html#sec13.5.4>. A cache that does not support the Range and Content-Range headers MUST NOT cache 206 (Partial) responses. -- <http://www.varnish-software.com/> *Per Buer* CTO | Varnish Software Phone: +47 958 39 117 | Skype: per.buer We Make Websites Fly! Winner of the Red Herring Top 100 Global Award 2013
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