---
title: ds-certificate-subject-dn
description: Holds a digital certificate subject DN value for mapping an incoming certificate to a user entry.
component: pingds
version: 8.1
page_id: pingds:schemaref:at-ds-certificate-subject-dn
canonical_url: https://docs.pingidentity.com/pingds/8.1/schemaref/at-ds-certificate-subject-dn.html
---

# ds-certificate-subject-dn

Holds a digital certificate subject DN value for mapping an incoming certificate to a user entry.

|                             |                                                                |
| --------------------------- | -------------------------------------------------------------- |
| *OID*                       | 1.3.6.1.4.1.26027.1.1.266                                      |
| *Names*                     | ds-certificate-subject-dn                                      |
| *Syntax*                    | [DN](s-DN.html)                                                |
| *Equality matching rule*    | [distinguishedNameMatch](mr-distinguishedNameMatch.html)       |
| *Substring matching rule*   | [caseIgnoreSubstringsMatch](mr-caseIgnoreSubstringsMatch.html) |
| *Single value*              | false: multiple values allowed                                 |
| *User modification allowed* | true                                                           |
| *Usage*                     | userApplications                                               |
| *Origin*                    | OpenDS Directory Server                                        |
| *Schema file*               | 02-config.ldif                                                 |
| *Used by*                   | [ds-certificate-user](oc-ds-certificate-user.html)             |