3DS ReferenceProtocol & field guide

EMV 3-D Secure · Core specification 2.3.1.1

Browser User-AgentbrowserUserAgent

Browser User-Agent in Authentication Request (AReq).

Source edition: Core 2.3.1.1 · Type: String · Length: Variable, maximum 2048 · Maximum length: 2048

Baseline in AReq Required

Varies by context. Requirement or applicability varies by channel or message category. Select a specific context to resolve it. Usage and conditions ↓

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Usage in AReq

Exact content of the HTTP user-agent header.

Format and scope

Type: String · Length: Variable, maximum 2048 · Maximum length: 2048

Source components: 3DS Server. Channels: 02-BRW. Categories: 01-PA, 02-NPA.

EMV_3DS_CoreSpec_v2.3.1.1_20230530.pdf, Table A.1, PDF pages 214

Transaction context

This reference covers the published source edition. Use the explorer to inspect this field and any applicable transaction conditions. Scheme programme requirements are not inferred from the protocol edition.

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Sources and related references

EMV_3DS_CoreSpec_v2.3.1.1_20230530.pdf, Table A.1, PDF pages 214

Source review status: extracted. Carried-forward material has not acquired a new verification claim.

Document fingerprint (SHA-256): 6fdf0aba3fc1a765f96b74dad4069d1e189969f38f0023647021687daf589d6b