Changeset 1801 for draft-ietf-httpbis/latest/p4-conditional.xml
- Timestamp:
- 16/07/12 07:48:53 (10 years ago)
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- 1 edited
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draft-ietf-httpbis/latest/p4-conditional.xml
r1800 r1801 316 316 based on strict revision control, wherein each change to a representation 317 317 always results in a unique node name and revision identifier being assigned 318 before the representation is made accessible to GET. A c ryptographichash318 before the representation is made accessible to GET. A collision-resistant hash 319 319 function applied to the representation data is also sufficient if the data 320 320 is available prior to the response header fields being sent and the digest … … 550 550 combined with a variance identifier for content negotiation, to 551 551 accurately differentiate between representations. 552 Other implementations might use a stored hash of representation content, 552 Other implementations might use a collision-resistant hash of 553 representation content, 553 554 a combination of various filesystem attributes, or a modification 554 555 timestamp that has sub-second resolution. … … 1111 1112 <x:ref>If-Range</x:ref> are present, evaluate it: 1112 1113 <list style="symbols"> 1113 <t>if the validator matches, respond <x:ref>206 (Partial Content)</x:ref></t>1114 <t>if the validator matches, respond 206 (Partial Content)</t> 1114 1115 <t>if the validator does not match, respond <x:ref>200 (OK)</x:ref></t> 1115 1116 </list> … … 1231 1232 those applicable to HTTP in general &messaging;. 1232 1233 </t> 1234 <t> 1235 The validators defined by this specification are not intended to ensure 1236 the validity of a representation, guard against malicious changes, or 1237 detect man-in-the-middle attacks. At best, they enable more efficient cache 1238 updates and optimistic concurrent writes when all participants are behaving 1239 nicely. At worst, the conditions will fail and the client will receive a 1240 response that is no more harmful than an HTTP exchange without conditional 1241 requests. 1242 </t> 1233 1243 </section> 1234 1244
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