--- title: Default attribute syntaxes description: PingDirectory server supports a large set of Attribute Syntax rules for applications. component: pingdirectory version: 11.0 page_id: pingdirectory:pingdirectory_server_administration_guide:pd_ds_default_attr_syntaxes canonical_url: https://docs.pingidentity.com/pingdirectory/11.0/pingdirectory_server_administration_guide/pd_ds_default_attr_syntaxes.html revdate: September 13, 2023 --- # Default attribute syntaxes PingDirectory server supports a large set of Attribute Syntax rules for applications. The default Attribute Syntax rules available for the server are listed in the following table. | LDAP Syntax | OID | Description | | ---------------------------------------- | ------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | `UUID` | `1.3.6.1.1.16.1` | 128-bit (16 octets) Universally Unique Identifier (UUID) used for Uniform Resource Names as defined in [RFC 4122](https://tools.ietf.org/html/rfc4122)For example, `a4028c1a-f36e-11da-ba1a-04112154bd1e` | | `Attribute Type Description` | `1.3.6.1.4.1.1466.115.121.1.3` | Syntax for the `AttributeTypeDescription` rule based on [RFC 4517](https://tools.ietf.org/html/rfc4517) | | `Binary` | `1.3.6.1.4.1.1466.115.121.1.5` | Strings based on Basic Encoding Rules (BER) or Distinguished Encoding rules (DER)For example, an X.509 digital certificate or LDAP messages are BER encoded | | `Bit String` | `1.3.6.1.4.1.1466.115.121.1.6` | Sequence of binary digits based on [RFC 4517](https://tools.ietf.org/html/rfc4517)For example, `'0010111'B` | | `Boolean` | `1.3.6.1.4.1.1466.115.121.1.7` | `TRUE` or `FALSE` | | `Certificate` | `1.3.6.1.4.1.1466.115.121.1.8` | BER/DER-encoded octet strings based on an X.509 public key certificate as defined in [RFC 4523](https://tools.ietf.org/html/rfc4523) | | `Certificate List` | `1.3.6.1.4.1.1466.115.121.1.9` | BER/DER-encoded octet string based on an X.509 certificate revocation list as defined in [RFC 4523](https://tools.ietf.org/html/rfc4523) | | `Certificate Pair` | `1.3.6.1.4.1.1466.115.121.1.10` | BER/DER-encoded octet string based on an X.509 public key certificate pair as defined in [RFC 4523](https://tools.ietf.org/html/rfc4523) | | `Country String` | `1.3.6.1.4.1.1466.115.121.1.11` | Two character country code specified in ISO 3166For example, `US`, `CA`, and so forth The current implementation for Country String: Only verifies that values are two printable characters, where the set of printable characters is defined in RFC 2252. Does not check that the value is a valid ISO 3166 country code. | | `DN` | `1.3.6.1.4.1.1466.115.121.1.12` | Distinguished name of an entry as defined in [RFC 4514](https://tools.ietf.org/html/rfc4514) | | `Delivery Method` | `1.3.6.1.4.1.1466.115.121.1.14` | Sequence of services in preference order by which an entity receives messages as defined in [RFC 4517](https://tools.ietf.org/html/rfc4517)For example, `videotext $ telephone` | | `Directory String` | `1.3.6.1.4.1.1466.115.121.1.15` | String of one or more characters from the Universal Character Set (UCS) using UCS Transformation Format 8 (UTF-8) encoding of the string | | `DIT Content Rule Description` | `1.3.6.1.4.1.1466.115.121.1.16` | `DITContentRuleDescription` as defined in [RFC 4517](https://tools.ietf.org/html/rfc4517) | | `DIT Structure Rule Description` | `1.3.6.1.4.1.1466.115.121.1.17` | `DITStructureRuleDesciption` as defined in [RFC 4517](https://tools.ietf.org/html/rfc4517) | | `Enhanced Guide` | `1.3.6.1.4.1.1466.115.121.1.21` | Combination of attribute types and filter operators to be used to construct search filters as defined in [RFC 4517](https://tools.ietf.org/html/rfc4517)For example, `person#(sn$EQ)#oneLevel` | | `Facsimile Telephone Number` | `1.3.6.1.4.1.1466.115.121.1.22` | Fax telephone number on the public switched telephone network as defined in [RFC 4517](https://tools.ietf.org/html/rfc4517) | | `Fax` | `1.3.6.1.4.1.1466.115.121.1.23` | Image generated using Group 3 fax process as defined in [RFC 4517](https://tools.ietf.org/html/rfc4517) | | `Generalized Time` | `1.3.6.1.4.1.1466.115.121.1.24` | String representing data and time as defined in [RFC 4517](https://tools.ietf.org/html/rfc4517) `YYYYMMDDHHMMSS[.\|,fraction][(+\|-HHMM)\|Z]`For example, `201103061032`, `201103061032-0500`, or `201103061032Z`(`Z` indicates Coordinated Universal Time) | | `Guide` | `1.3.6.1.4.1.1466.115.121.1.25` | Attribute types and filter operators as defined in [RFC 4517](https://tools.ietf.org/html/rfc4517) | | `IA5 String` | `1.3.6.1.4.1.1466.115.121.1.26` | String of zero or more characters from the International Alphabet 5 (IA5) character set as defined in [RFC 4517](https://tools.ietf.org/html/rfc4517) | | `Integer` | `1.3.6.1.4.1.1466.115.121.1.27` | String representations of integer valuesFor example, the character string `1234` represents the number 1234 as defined in [RFC 4517](https://tools.ietf.org/html/rfc4517) | | `JPEG` | `1.3.6.1.4.1.1466.115.121.1.28` | Image in JPEG File Interchange Format (JFIF) as defined in [RFC 4517](https://tools.ietf.org/html/rfc4517) | | `Matching Rule Description` | `1.3.6.1.4.1.1466.115.121.1.30` | `MatchingRuleDescription` as defined in [RFC 4512](https://tools.ietf.org/html/rfc4512) | | `Matching Rule Use Description` | `1.3.6.1.4.1.1466.115.121.1.31` | Attribute types to which a matching rule is applied in an `extensibleMatch` search filter[RFC 4511](https://tools.ietf.org/html/rfc4511) | | `Name and Optional UID` | `1.3.6.1.4.1.1466.115.121.1.34` | Distinguished name and an optional unique identifier that differentiates identical distinguished names (DNs) as defined in [RFC 4517](https://tools.ietf.org/html/rfc4517)For example, `uid=jsmith,ou=People``,dc=example`,`dc=com#'0111'B` | | `Name Form Description` | `1.3.6.1.4.1.1466.115.121.1.35` | `NameFormDescription` as defined in [RFC 4512](https://tools.ietf.org/html/rfc4512) | | `Numeric String` | `1.3.6.1.4.1.1466.115.121.1.36` | Sequence of one or more numerals and spaces as defined in [RFC 4517](https://tools.ietf.org/html/rfc4517)For example, `14 848 929 102` | | `Object Class Description` | `1.3.6.1.4.1.1466.115.121.1.37` | `ObjectClassDescription` as defined in [RFC 4512](https://tools.ietf.org/html/rfc4512) | | `OID` | `1.3.6.1.4.1.1466.115.121.1.38` | Object identifier as defined in [RFC 4512](https://tools.ietf.org/html/rfc4512) | | `Other Mailbox` | `1.3.6.1.4.1.1466.115.121.1.39` | Specifies an electronic mailbox as defined in [RFC 4517](https://tools.ietf.org/html/rfc4517)For example, `otherMailbox = google $ user@gmail.com` | | `Octet String` | `1.3.6.1.4.1.1466.115.121.1.40` | Sequence of zero or more octets (8-bit bytes) as defined in [RFC 4517](https://tools.ietf.org/html/rfc4517) | | `Postal Address` | `1.3.6.1.4.1.1466.115.121.1.41` | Strings of characters that form a multi-line address in a physical mail system. Each component is separated by a `$`For example, `1234 Main St.$Austin, TX 78744$USA` | | `Protocol Information` | `1.3.6.1.4.1.1466.115.121.1.42` | Undefined | | `Presentation Address` | `1.3.6.1.4.1.1466.115.121.1.43` | String encoded OSI presentation address as defined in [RFC 1278](https://tools.ietf.org/html/rfc1278)For example, `TELEX+00728722+RFC-1006+03+10.0.0.6` | | `Printable String` | `1.3.6.1.4.1.1466.115.121.1.44` | String of one or more printable ASCII alphabetic, numeric, and punctuation characters as defined in [RFC 4517](https://tools.ietf.org/html/rfc4517) | | `RFC3672 Subtree Specification` | `1.3.6.1.4.1.1466.115.121.1.45` | Syntax based on subtree specification as defined as [RFC 3672](https://tools.ietf.org/html/rfc3672) | | `Supported Algorithm` | `1.3.6.1.4.1.1466.115.121.1.49` | Octet string based on the LDAP-encoding for a supported algorithm value that results from the BER encoding of a `SupportedAlgorithm` ASN.1 value | | `Telephone Number` | `1.3.6.1.4.1.1466.115.121.1.50` | String of printable international telephone number representations in E.123 format as defined in [RFC 4517](https://tools.ietf.org/html/rfc4517)For example, `+1 512 904 5525` | | `Teletex Terminal Identifier` | `1.3.6.1.4.1.1466.115.121.1.51` | Identifier and telex terminal as defined in [RFC 4517](https://tools.ietf.org/html/rfc4517) | | `Telex Number` | `1.3.6.1.4.1.1466.115.121.1.52` | String representing the telex number, country code, and answerback code as defined in [RFC 4517](https://tools.ietf.org/html/rfc4517)For example, `812374, ch, ehhg` | | `UTC Time` | `1.3.6.1.4.1.1466.115.121.1.53` | Character string representing the data and time in UTC Time format as defined as [RFC 4517](https://tools.ietf.org/html/rfc4517): `YYMMDDHHMM[SS][(+\|-HHMM)\|Z]`, where `Z` is the coordinated universal time.For example, `0903051035Z, 0903051035-0500` | | `LDAP Syntax Description` | `1.3.6.1.4.1.1466.115.121.1.54` | `SyntaxDescription` as defined inhttps\://tools.ietf.org/html/rfc4512\[RFC 4512] | | `Substring Assertion` | `1.3.6.1.4.1.1466.115.121.1.58` | Syntax for assertion values in an extensible match as defined in [RFC 4517](https://tools.ietf.org/html/rfc4517) | | `Authentication Password Syntax` | `1.3.6.1.4.1.4203.1.1.2` | Encoded password storage syntax as defined in [RFC 3112](https://tools.ietf.org/html/rfc3112)For example, the syntax specifies the storage scheme in brackets: `$$`For example, `SSHA$xdEZWRqgyJk=$egDEFDXvdeeEnXUEIDPnd39dkpe=` | | `User Password Syntax` | `1.3.6.1.4.1.30221.1.3.1` | Encoded password storage syntax as defined in [RFC 2307](https://tools.ietf.org/html/rfc2307)For example, the syntax specifies the storage scheme in brackets: `{SSHA}XaljOF0ii3fOwCrU1klgBpWFayqSYs+5W1pMnw==` | | `Relative Subtree Specification` | `1.3.6.1.4.1.30221.1.3.2` | Similar to the [RFC 3672](https://tools.ietf.org/html/rfc3672) subtree specification except it uses an LDAP search filter as the specification filter | | `Absolute Subtree Specification` | `1.3.6.1.4.1.30221.1.3.3` | Syntax for a subset of entries in a subtree based on [RFC 3672](https://tools.ietf.org/html/rfc3672) | | `Sun-defined Access Control Information` | `1.3.6.1.4.1.30221.1.3.4` | Syntax for access control instructions used in Sun Directory Servers | | `Compact Timestamp` | `1.3.6.1.4.1.30221.2.3.1` | Syntax based on Compact Timestamp ISO 8601 formatFor example, `20110306T102532` |