--- title: Default matching rules description: PingDirectory server provides a large set of matching rules that support a variety of applications. component: pingdirectory version: 11.0 page_id: pingdirectory:pingdirectory_server_administration_guide:pd_ds_default_matching_rules canonical_url: https://docs.pingidentity.com/pingdirectory/11.0/pingdirectory_server_administration_guide/pd_ds_default_matching_rules.html revdate: September 13, 2023 --- # Default matching rules PingDirectory server provides a large set of matching rules that support a variety of applications. The default matching rules available for the PingDirectory server are listed in the table below for each matching rule type: * Equality matches * Substring matches * Ordering matches * Approximate matches **Default Matching Rules** | Matching Rule/OID | Attribute Syntax/OID | Description | | ---------------------------------------------------------- | -------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | `uuidMatch/ 1.3.6.1.1.16.2` | `UUID/ 1.3.6.1.1.16.1` | Compares an asserted UUID with a stored UUID attribute value for equality[RFC 4530](https://tools.ietf.org/html/rfc4530) | | `uuidOrderingMatch/ 1.3.6.1.1.16.3` | `UUID/ 1.3.6.1.1.16.1` | Compares the collation order of an asserted UUID with a stored UUID attribute value for ordering[RFC 4530](https://tools.ietf.org/html/rfc4530) | | `caseExactIA5Match/ 1.3.6.1.4.1.1466.109.114.1` | `IA5 String/ 1.3.6.1.4.1.1466.115.121.1.26` | Compares an asserted value with an attribute value of International Alphabet 5 (IA5) syntax[RFC 4517](https://tools.ietf.org/html/rfc4517) | | `caseIgnoreIA5Match/ 1.3.6.1.4.1.1466.109.114.2` | `IA5 String/ 1.3.6.1.4.1.1466.115.121.1.26` | Compares an asserted value with an attribute value of IA5 syntaxCase, leading, and trailing spaces are ignored. Multiple spaces are treated as a single space.[RFC 4517](https://tools.ietf.org/html/rfc4517) | | `caseIgnoreIA5SubstringsMatch/ 1.3.6.1.4.1.1466.109.114.3` | `Substring Assertion/ 1.3.6.1.4.1.1466.115.121.1.58` | Compares an asserted substring with an attribute value of IA5 string syntaxCase, leading, and trailing spaces are ignored. Multiple spaces are treated as a single space.[RFC 4517](https://tools.ietf.org/html/rfc4517) | | `authPasswordExactMatch/ 1.3.6.1.4.1.4203.1.2.2` | `Authentication Password Syntax/ 1.3.6.1.4.1.4203.1.1.2` | Authentication password exact matching rule | | `authPasswordMatch/ 1.3.6.1.4.1.4203.1.2.3` | `Authentication Password Syntax/ 1.3.6.1.4.1.4203.1.1.2` | Authentication password matching rule | | `ds-mr-double-metaphone-approx/ 1.3.6.1.4.1.30221.1.4.1` | `Directory String/ 1.3.6.1.4.1.1466.115.121.1.15` | Syntax based on the phonetic Double Metaphone algorithm for approximate matching | | `ds-mr-user-password-exact/ 1.3.6.1.4.1.30221.1.4.2` | `User Password Syntax/ 1.3.6.1.4.1.30221.1.3.1` | User password exact matching rule | | `ds-mr-user-password-equality/ 1.3.6.1.4.1.30221.1.4.3` | `User Password Syntax/ 1.3.6.1.4.1.30221.1.3.1` | User password equality matching rule | | `historicalCsnOrderingMatch/ 1.3.6.1.4.1.30221.1.4.4` | `1.3.6.1.4.1.30221.1.3.5` | Compares the collation order of a historical change sequence number with a historical Change Sequence Number (CSN) attribute value | | `caseExactIA5SubstringsMatch/ 1.3.6.1.4.1.30221.1.4.902` | `Substring Assertion/ 1.3.6.1.4.1.1466.115.121.1.58` | Compares an asserted substring with an attribute value of IA5 string syntax[RFC 4517](https://tools.ietf.org/html/rfc4517) | | `compactTimestampMatch/ 1.3.6.1.4.1.30221.2.4.1` | `Compact Timestamp/ 1.3.6.1.4.1.30221.2.3.1` | Compact Timestamp matching rule | | `compactTimestampOrderingMatch/ 1.3.6.1.4.1.30221.2.4.2` | `Compact Timestamp/ 1.3.6.1.4.1.30221.2.3.1` | Compares the collation order of a compact timestamp number with an attribute value of Compact Timestamp syntax | | `objectIdentifierMatch/ 2.5.13.0` | `OID/ 1.3.6.1.4.1.1466.115.121.1.38` | Compares an asserted value with an attribute value of OID syntax[RFC 4517](https://tools.ietf.org/html/rfc4517) | | `distinguishedNameMatch/ 2.5.13.1` | `DN/ 1.3.6.1.4.1.1466.115.121.1.12` | Compares an asserted value with an attribute value of distinguished name (DN) syntaxSpaces around commas and semicolons are ignored. Spaces around plus and equal signs around relative distinguished name (RDN) components are ignored.[RFC 4517](https://tools.ietf.org/html/rfc4517). | | `caseIgnoreMatch/ 2.5.13.2` | `Directory String/ 1.3.6.1.4.1.1466.115.121.1.15` | Compares an asserted value with an attribute valueCase, leading, and trailing spaces are ignored. Multiple spaces are treated as a single space.[RFC 4517](https://tools.ietf.org/html/rfc4517) | | `caseIgnoreOrderingMatch/ 2.5.13.3` | `Directory String/ 1.3.6.1.4.1.1466.115.121.1.15` | Compares the collation order of the asserted string with an attribute value of Directory String syntaxCase, leading, and trailing spaces are ignored. Multiple spaces are treated as a single space.[RFC 4517](https://tools.ietf.org/html/rfc4517) | | `caseIgnoreSubstringsMatch/ 2.5.13.4` | `Substring Assertion/ 1.3.6.1.4.1.1466.115.121.1.58` | Compares an asserted substring value with an attribute value of Directory String syntaxCase, leading, and trailing spaces are ignored. Multiple spaces are treated as a single space.[RFC 4517](https://tools.ietf.org/html/rfc4517) | | `caseExactMatch/ 2.5.13.5` | `Directory String/ 1.3.6.1.4.1.1466.115.121.1.15` | Compares an asserted value with an attribute value of Directory String syntax[RFC 4517](https://tools.ietf.org/html/rfc4517) | | `caseExactOrderingMatch/ 2.5.13.6` | `Directory String 1.3.6.1.4.1.1466.115.121.1.15` | Compares the collation order of the asserted string with an attribute value of Directory String syntax[RFC 3698](https://tools.ietf.org/html/rfc3698) | | `caseExactSubstringsMatch/ 2.5.13.7` | `Substring Assertion/ 1.3.6.1.4.1.1466.115.121.1.58` | Compares an asserted substring with an attribute value of Directory String syntax[RFC 3698](https://tools.ietf.org/html/rfc3698) | | `numericStringMatch/ 2.5.13.8` | `Numeric String/ 1.3.6.1.4.1.1466.115.121.1.36` | Compares an asserted value with an attribute value of Numeric String syntax. Spaces are ignored when performing these comparisons[RFC 4517](https://tools.ietf.org/html/rfc4517). | | `numericStringOrderingMatch/ 2.5.13.9` | `Numeric String/ 1.3.6.1.4.1.1466.115.121.1.36` | Compares the collation order of the asserted string with an attribute value of Numeric String syntaxSpaces are ignored when performing these comparisons.[RFC 4517](https://tools.ietf.org/html/rfc4517) | | `numericStringSubstringsMatch/ 2.5.13.10` | `Substring Assertion/ 1.3.6.1.4.1.1466.115.121.1.58` | Compares an asserted substring with an attribute value of Numeric String syntaxSpaces are ignored when performing these comparisons.[RFC 4517](https://tools.ietf.org/html/rfc4517) | | `caseIgnoreListMatch/ 2.5.13.11` | `Postal Address/ 1.3.6.1.4.1.1466.115.121.1.41` | Compares an asserted value with an attribute value, which is a sequence of Directory StringsCase, leading, and trailing spaces are ignored. Multiple spaces are treated as a single space.[RFC 4517](https://tools.ietf.org/html/rfc4517) | | `caseIgnoreListSubstringsMatch/ 2.5.13.12` | `Substring Assertion/ 1.3.6.1.4.1.1466.115.121.1.58` | Compares the asserted substring with an attribute value, which is a sequence of Directory StringsCase, leading, and trailing spaces are ignored. Multiple spaces are treated as a single space.[RFC 3698](https://tools.ietf.org/html/rfc3698) | | `booleanMatch/ 2.5.13.13` | `Boolean/ 1.3.6.1.4.1.1466.115.121.1.7` | Compares an asserted boolean value with an attribute value of BOOLEAN syntaxReturns true if the values are both `TRUE` or both `FALSE`.[RFC 3698](https://tools.ietf.org/html/rfc3698) | | `integerMatch/ 2.5.13.14` | `Integer/ 1.3.6.1.4.1.1466.115.121.1.27` | Compares an asserted value with an attribute value of INTEGER syntax[RFC 4517](https://tools.ietf.org/html/rfc4517) | | `integerOrderingMatch/ 2.5.13.15` | `Integer/ 1.3.6.1.4.1.1466.115.121.1.27` | Compares the collation order of the asserted integer with an attribute value of Integer syntaxReturns true if the attribute value is less than the asserted value.[RFC 3698](https://tools.ietf.org/html/rfc3698) | | `bitStringMatch/ 2.5.13.16` | `Bit String/ 1.3.6.1.4.1.1466.115.121.1.6` | Compares an asserted Bit String value with an attribute value of Bit String syntax[RFC 4517](https://tools.ietf.org/html/rfc4517) | | `octetStringMatch/ 2.5.13.17` | `Octet String/ 1.3.6.1.4.1.1466.115.121.1.40` | Compares an asserted value with an attribute value of octet string syntax using a byte-for-byte comparison[RFC 4517](https://tools.ietf.org/html/rfc4517) | | `octetStringOrderingMatch/ 2.5.13.18` | `Octet String/ 1.3.6.1.4.1.1466.115.121.1.40` | Compares the collation order of the asserted octet string with an attribute value of Octet String syntaxZero precedes a one bit. Shorter strings precede longer strings.[RFC 3698](https://tools.ietf.org/html/rfc3698) | | `octetStringSubstringsMatch/ 2.5.13.19` | `Substring Assertion/ 1.3.6.1.4.1.1466.115.121.1.58` | Compares an asserted substring with an attribute value of octet string syntax using a byte-for-byte comparison[RFC 4517](https://tools.ietf.org/html/rfc4517) | | `telephoneNumberMatch/ 2.5.13.20` | `Telephone Number/ 1.3.6.1.4.1.1466.115.121.1.50` | Compares an asserted value with an attribute value of Telephone Number syntax[RFC 4517](https://tools.ietf.org/html/rfc4517) | | `telephoneNumberSubstringsMatch/ 2.5.13.21` | `Substring Assertion/ 1.3.6.1.4.1.1466.115.121.1.58` | Compares an asserted value with the substrings of an attribute value of Telephone Number String syntax[RFC 4517](https://tools.ietf.org/html/rfc4517) | | `presentationAddressMatch/ 2.5.13.22` | `Presentation Address/ 1.3.6.1.4.1.1466.115.121.1.43` | Compares an asserted value with an attribute value of Presentation Address syntax[RFC 4517](https://tools.ietf.org/html/rfc4517) | | `uniqueMemberMatch/ 2.5.13.23` | `Name and Optional UID/ 1.3.6.1.4.1.1466.115.121.1.34` | Compares an asserted value with an attribute value of Unique Member syntax[RFC 4517](https://tools.ietf.org/html/rfc4517) | | `protocolInformationMatch/ 2.5.13.24` | `Protocol Information/ 1.3.6.1.4.1.1466.115.121.1.42` | Compares an asserted value with an attribute value of Protocol Information syntax[RFC 4517](https://tools.ietf.org/html/rfc4517) | | `generalizedTimeMatch/ 2.5.13.27` | `Generalized Time/ 1.3.6.1.4.1.1466.115.121.1.24` | Compares an asserted value with an attribute value of Generalized Time syntax[RFC 4517](https://tools.ietf.org/html/rfc4517) | | `generalizedTimeOrderingMatch/ 2.5.13.28` | `Generalized Time 1.3.6.1.4.1.1466.115.121.1.24` | Compares the collation order of the asserted string with an attribute value of Generalized Time String syntax and case is ignored[RFC 4517](https://tools.ietf.org/html/rfc4517) | | `integerFirstComponentMatch/ 2.5.13.29` | `Integer/ 1.3.6.1.4.1.1466.115.121.1.27` | Equality matching rules for subschema attributes between an Integer syntax and the value syntax[RFC 4517](https://tools.ietf.org/html/rfc4517) | | `objectIdentifierFirstComponentMatch/ 2.5.13.30` | `OID/ 1.3.6.1.4.1.1466.115.121.1.38` | Equality matching rules for subschema attributes between an OID syntax and the value syntax[RFC 4517](https://tools.ietf.org/html/rfc4517) | | `directoryStringFirstComponentMatch/ 2.5.13.31` | `Directory String/ 1.3.6.1.4.1.1466.115.121.1.15` | Compares an asserted Directory String value with an attribute value of type `SEQUENCE` whose first component is mandatory and of type Directory StringReturns true if the attribute value has a first component whose value matches the asserted Directory String using the rules of `caseIgnoreMatch`.[RFC 3698](https://tools.ietf.org/html/rfc3698). | | `wordMatch/ 2.5.13.32` | `Directory String/ 1.3.6.1.4.1.1466.115.121.1.15` | Compares an asserted word with any word in the attribute value for equality[RFC 3698](https://tools.ietf.org/html/rfc3698) | | `keywordMatch/ 2.5.13.33` | `Directory String/ 1.3.6.1.4.1.1466.115.121.1.15` | Compares an asserted value with any keyword in the attribute value for equality[RFC 3698](https://tools.ietf.org/html/rfc3698) |