The X.500 is a series of computer networking standards specifying a distributed directory service. Up until now, there are four versions of the X.500 standard. They are the 1988 edition, 1993 edition, 1997 edition and as well as the 2001 edition. The X.500 was developed by ITU-T.
Protocols Used
- DAP (Directory Access Protocol)
- DSP (Directory System Protocol)
- DISP (Directory Information Shadowing Protocol)
- DOP (Directory Operational Bindings Management Protocol)
LDAP (Lightweight Directory Access Protocol) is one of the well-known alternatives to DAP (Directory Access Protocol), developed to allow internet clients to access to the X.500 Directory using the TCP/IP networking stack.
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| List of X.500 series standards |
Security
- Simple Authentication
- Clear Passwords
- Compare Operation
- Protected Passwords
- Strong Authentication
- Digital Signatures
- Strong Authentication of a sender
- The SIGNED and ENCRYPTED Macros
References
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