---
title: service-advert-attribute-authenticator
description: "An SLP attribute authenticator, as described in RFC 2608, Section 9.2: Authentication Blocks ."
component: pingds
version: 8.1
page_id: pingds:schemaref:at-service-advert-attribute-authenticator
canonical_url: https://docs.pingidentity.com/pingds/8.1/schemaref/at-service-advert-attribute-authenticator.html
---

# service-advert-attribute-authenticator

An SLP attribute authenticator, as described in [RFC 2608, Section 9.2: *Authentication Blocks*](https://www.rfc-editor.org/rfc/rfc2608.html#section-9.2) .

|                             |                                                                                  |
| --------------------------- | -------------------------------------------------------------------------------- |
| *OID*                       | 1.3.6.1.4.1.6252.2.27.6.1.7                                                      |
| *Names*                     | service-advert-attribute-authenticator                                           |
| *Description*               | The authenticator for the attribute list, null if none.                          |
| *Syntax*                    | [IA5String](s-IA5String.html)                                                    |
| *Equality matching rule*    | [caseIgnoreMatch](mr-caseIgnoreMatch.html)                                       |
| *Ordering matching rule*    | [caseIgnoreOrderingMatch](mr-caseIgnoreOrderingMatch.html)                       |
| *Substring matching rule*   | [caseIgnoreSubstringsMatch](mr-caseIgnoreSubstringsMatch.html)                   |
| *Single value*              | true                                                                             |
| *User modification allowed* | true                                                                             |
| *Usage*                     | userApplications                                                                 |
| *Origin*                    | [RFC 2926](https://datatracker.ietf.org/doc/html/rfc2926)                        |
| *Schema file*               | 03-rfc2926.ldif                                                                  |
| *Used by*                   | [slpService](oc-slpService.html), [slpServicePrinter](oc-slpServicePrinter.html) |