recently i noticed these entries in slapcat output:

slapcat -F '/var/lib/ldap/config' -b 'cn=config' -H 'ldap:///cn=config??base'

5824aae9 PROXIED attributeDescription "OU" inserted. 5824aae9 PROXIED attributeDescription "DC" inserted. dn: cn=config objectClass: olcGlobal cn: config olcArgsFile: /var/run/slapd/slapd.args olcConnMaxPending: 1000 olcConnMaxPendingAuth: 1000 olcGentleHUP: FALSE olcIdleTimeout: 0 olcPidFile: /var/run/slapd/slapd.pid olcReadOnly: FALSE olcReverseLookup: FALSE olcSaslSecProps: noanonymous olcTLSCACertificateFile: /etc/pki/trusted_root_authorities/example_corp_ root_ca-cert.pem olcTLSCertificateFile: /etc/ldap/pki/dsa1.example.net-cert.pem olcTLSCertificateKeyFile: /etc/ldap/pki/dsa1.example.net-key.pem olcTLSVerifyClient: never olcAttributeTypes: {0}( 2.5.4.11 NAME ( 'ou' 'organizationalUnitName' ) DESC ' RFC2256: organizational unit this object belongs to' SUP name ) olcAttributeTypes: {1}( 0.9.2342.19200300.100.1.25 NAME ( 'dc' 'domainComponen t' ) DESC 'RFC1274/2247: domain component' EQUALITY caseIgnoreIA5Match SUBSTR caseIgnoreIA5SubstringsMatch SYNTAX 1.3.6.1.4.1.1466.115.121.1.26 SINGLE-VAL UE ) structuralObjectClass: olcGlobal entryUUID: 65ca1166-8375-102d-9386-497a4dd6665c creatorsName: cn=config createTimestamp: 20090130235646Z contextCSN: 20120805020044.490450Z#000000#000#000000 contextCSN: 20120317151625.496021Z#000000#001#000000 olcLogLevel: stats sync entryCSN: 20161110171407.752985Z#000000#000#000000 modifiersName: uid=dit_admin,ou=role_accounts,ou=accounts,dc=example,dc=net modifyTimestamp: 20161110171407Z

in the past, i'd seen this, due to ou and dc attributes being referenced before their schema elements were loaded. so, as can be seen above, i moved the declarations of these attributes to the beginning of the config, so to speak, at which point, the messages were no longer printed.

but now they're back, and i'm curious why. there is very little parsed prior to the attribute declarations, i believe? what am i missing? presumably, it's as it was before, and something is referencing these attributes, but how can i determine what?

-ben