Protocol Action: 'Identity Header Errors Handling for STIR' to Proposed Standard (draft-ietf-stir-identity-header-errors-handling-08.txt)
The IESG <iesg-secretary@ietf.org> Wed, 29 March 2023 05:19 UTC
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From: The IESG <iesg-secretary@ietf.org>
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Subject: Protocol Action: 'Identity Header Errors Handling for STIR' to Proposed Standard (draft-ietf-stir-identity-header-errors-handling-08.txt)
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Cc: The IESG <iesg@ietf.org>, ben@nostrum.com, draft-ietf-stir-identity-header-errors-handling@ietf.org, rfc-editor@rfc-editor.org, stir-chairs@ietf.org, stir@ietf.org, superuser@gmail.com
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Date: Tue, 28 Mar 2023 22:19:44 -0700
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The IESG has approved the following document: - 'Identity Header Errors Handling for STIR' (draft-ietf-stir-identity-header-errors-handling-08.txt) as Proposed Standard This document is the product of the Secure Telephone Identity Revisited Working Group. The IESG contact persons are Murray Kucherawy and Francesca Palombini. A URL of this Internet-Draft is: https://datatracker.ietf.org/doc/draft-ietf-stir-identity-header-errors-handling/ Technical Summary This document extends STIR and the Authenticated Identity Management in the Session Initiation Protocol (SIP) error handling procedures to include the mapping of verification failure reasons to STIR defined 4xx codes so the failure reason of an Identity header field can be conveyed to the upstream authentication service when local policy dictates that the call should continue in the presence of a verification failure. This document also defines procedures that enable a failure reason to be mapped to a specific Identity header field for scenarios that use multiple Identity header fields where some may have errors and others may not and the handling of those situations is defined. Working Group Summary There was general agreement among a fairly small group of STIR participants. This group included people with SIP and STIR implementation experience. There was no significant controversy. There were some architectural questions and some questions about potential privacy leaks that that were worked through to consensus. One participant questioned whether the mechanism could be deployed in practice, but most active participants did not see a problem. No one has threatened an appeal or expressed extreme discontent. Document Quality The shepherd is not aware of existing implementations. However, this work is likely to be adopted by the ATIS/SIP Forum IP-NNI task force, which will likely result in wide-spread implementation in the voice service provider community. Personnel Ben Campbell is the document shepherd. Murray Kucherawy is the responsible Area Director.