An RFC is a Request For Comments document. RFCs can be standards-in-the-making, notes about problems and possible solutions, notes about practices, prescriptions of policies, and anything else that needs to be published to the technical Internet community at large. After being debated and commented, an RFC can become an STD or perhaps a BCP. An STD is an Internet standard, and a BCP is documentation of a Best Current Practice. These documents are a goldmine when it comes to understanding the more technical sides of the Internet. You can read more about STDs in STD 1 and BCPs in BCP 1. The official RFC, STD, and BCP archive is at ftp://ftp.isi.edu/in-notes/, but you also should see http://www.rfc-editor.org/. My favorite RFC archive ...

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