The RFCs selected for this list were chosen in a highly subjective and arbitrary fashion. Note, for example, that entire topics— such as the Simple Network Management Protocol (SNMP) and the Post Office Protocol (POP3)—have been omitted. Clearly, some topics had to be left out. Otherwise, this appendix would have been a rewrite of the index itself. RFCs that would help you build a solid technical foundation, as well as the RFCs that explained the inner workings of the Internet standards bodies, are included.
Consult the RFC index for the latest versions of these RFCs before you start studying those listed here. These numbers become outdated very quickly.
This RFC provides ...