220.127.116.11.4.1.418.104.22.168 is the OID
for the "Return all operational Attributes
" ("+") as used in LDAP SearchFilters
LDAP Server Implementations supporting this feature SHOULD publish the Object Identifier 22.214.171.124.4.1.4126.96.36.199 as a value of the 'supportedFeatures' RFC 3674 attribute in the root DSE.
There might be more information for this subject on one of the following: