DIRECTORY SYSTEM NAMES In the representation of distinquished names (and possibly other contexts) of the X.500 Directory system, several unique keywords may be necessary. For example, in the string representation of distinguished names [RFC1779]. Keyword Attribute (X.520 keys) ------- --------------------------------- CN CommonName [RFC1779] L LocalityName [RFC1779] ST StateOrProvinceName [RFC1779] O OrganizationName [RFC1779] OU OrganizationalUnitName [RFC1779] C CountryName [RFC1779] STREET StreetAddress [RFC1779] REFERENCES [RFC1779] Kille, S., "A String Representation of Distinguished Names", RFC1779, ISODE Consortium, March 1995. []