You want to know the more detail of technology or protocol standard.
The first thing you need to access the
You should know which one RFC is the latest RFC of your interesting topic.
- Does it has been obsoleted by other RFC document ?
- Does it has been updated by other RFC document ?
- Does it has errata ?
You want to study about the topic 'Internet X.509 Public Key Infrastructure Certificate and Certificate Revocation List (CRL) Profile’.
Then you find the related RFC-3280 as https://tools.ietf.org/html/rfc3280
Firstly, you could find the document header of this RFC-3280 as the following:
Obsoleted by: 5280 PROPOSED STANDARD
Network Working Group R. Housley Request for Comments: 3280 RSA Laboratories Obsoletes: 2459 W. Polk Category: Standards Track NIST W. Ford VeriSign D. Solo Citigroup April 2002
The first thing you have to check one thing “Is it the least RFC document ?” or “Is is obsoleted by other RFC document ?"
As you saw this RFC-3280 has been ‘Obsoleted by: 5280’.
In addition, it has the errata updated by: RFC-4325 and RFC-4630.
And the RFC-2459 is obsoleted by this document RFC-3280.
Therefore, you should find the RFC-5280 first.
Ok, now we go to https://tools.ietf.org/html/rfc5280 for the RFC-5280.
However, we find the document header of RFC-5280 as the following:
Updated by: 6818 PROPOSED STANDARD
Therefore, you should read the RFC-5280 for the topic 'Internet X.509 Public Key Infrastructure Certificate and Certificate Revocation List (CRL) Profile’.
In addition, you should also check the RFC-6818 for the updated, and also check the ‘Errata’ part for this RFC-5280