[core] I-D Action: draft-ietf-core-echo-request-tag-11.txt
internet-drafts@ietf.org Mon, 02 November 2020 18:05 UTC
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Subject: [core] I-D Action: draft-ietf-core-echo-request-tag-11.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Constrained RESTful Environments WG of the IETF. Title : CoAP: Echo, Request-Tag, and Token Processing Authors : Christian Amsüss John Preuß Mattsson Göran Selander Filename : draft-ietf-core-echo-request-tag-11.txt Pages : 32 Date : 2020-11-02 Abstract: This document specifies enhancements to the Constrained Application Protocol (CoAP) that mitigate security issues in particular use cases. The Echo option enables a CoAP server to verify the freshness of a request or to force a client to demonstrate reachability at its claimed network address. The Request-Tag option allows the CoAP server to match block-wise message fragments belonging to the same request. This document updates RFC7252 with respect to the client Token processing requirements, forbidding non-secure reuse of Tokens to ensure binding of response to request when CoAP is used with a security protocol, and with respect to amplification mitigation, where the use of Echo is now recommended. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-core-echo-request-tag/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-core-echo-request-tag-11 https://datatracker.ietf.org/doc/html/draft-ietf-core-echo-request-tag-11 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-core-echo-request-tag-11 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/
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