---
title: Protocol Information
description: According to X.520, Values of this syntax hold protocol information for network addresses in a presentation address.
component: pingds
version: 8.1
page_id: pingds:schemaref:s-ProtocolInformation
canonical_url: https://docs.pingidentity.com/pingds/8.1/schemaref/s-ProtocolInformation.html
---

# Protocol Information

According to X.520, Values of this syntax hold protocol information for network addresses in a presentation address.

This was referenced but not defined in the LDAP specifications. As a result, this syntax is treated like that of Directory String.

|               |                                                           |
| ------------- | --------------------------------------------------------- |
| *OID*         | 1.3.6.1.4.1.1466.115.121.1.42                             |
| *Description* | Protocol Information                                      |
| *Origin*      | [RFC 2252](https://datatracker.ietf.org/doc/html/rfc2252) |