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Numbers as identifiers, despite their enduring use in SIPĭeployments. Most significantly, did not deal well with telephone Misaligned with deployment realities (see ). Means of signing portions of SIP requests in order to provide an Identities to destinations with which they have no previousĪs an initial attempt to address this gap, specified a Originating UAs need to be able to securely communicate their users'
Themselves (via S/MIME, for example), and for its part DigestĪuthentication is limited by the fact that the originator andĭestination must share a prearranged secret. Support the end-user certificates necessary to authenticate Transport Layer Security (TLS), and S/MIME (implementations may Potential authentication mechanisms, including Digest authentication, encourages user agents (UAs) to implement a number of Identity can provide a much stronger assurance of identity than theĬaller ID services that the telephone network provides today, and one Robocalling, voicemail hacking, swatting, and related problems asĭescribed in. This leaves SIP vulnerable to a category ofĪbuses such as impersonation attacks that facilitate or enable SIP request has no way to verify that the From header field has been Sort of cryptographic authentication mechanism, the recipient of a specifies several places within a SIP request where usersĬan express an identity for themselves, most prominently the O a telephone number, which commonly appears either in a tel URI O a canonical address-of-record (AoR) SIP URI employed to reach a An identity, for the purposes of this document, is
This document provides enhancements to the existing mechanisms forĪuthenticated identity management in the Session Initiation Protocol Identity-Info Algorithm Parameter Values. Authorization and Transitional Strategies. Securing the Connection to the Authentication Service. Protection of the To Header and Retargeting. Telephone Number Canonicalization Procedures. Differentiating Telephone Numbers from URIs.
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Credential Use by the Verification Service. Credential Use by the Authentication Service.
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Example Full and Compact Forms of PASSporT The Trust Legal Provisions and are provided without warranty asġ. Include Simplified BSD License text as described in Section 4.e of Code Components extracted from this document must Please review these documentsĬarefully, as they describe your rights and restrictions with respect This document is subject to BCP 78 and the IETF Trust's Legal Standards Track Ĭopyright (c) 2018 IETF Trust and the persons identified as the
#Tennessee sip definition how to
Information about the current status of this document, any errata,Īnd how to provide feedback on it may be obtained at Internet Standards is available in Section 2 of RFC 7841. Internet Engineering Steering Group (IESG). Received public review and has been approved for publication by the It represents the consensus of the IETF community. This document is a product of the Internet Engineering Task Force This is an Internet Standards Track document.
Identity and for conveying a reference to the credentials of the SIP header field for conveying a signature used for validating the This document defines a mechanism for securely The end users that originate SIP requests, especially in an
(SIP) are inadequate for cryptographically assuring the identity of The baseline security mechanisms in the Session Initiation Protocol PetersonĪuthenticated Identity Management in the Session Initiation Protocol (SIP) Internet Engineering Task Force (IETF) J.
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