standards - What are RFCs? - Stack Overflow 4 Wikipedia gives a good description of what [RFC] is about but in a nutshell it is a set of recommendation from the Internet Engineering Task Force applicable to the working of the Internet and Internet-connected systems They are used as the standards
¿Cómo validar un RFC de México y su digito verificador? Pregunta: ¿Cómo puedo verificar que el formato de un RFC mexicano sea válido? ¿Qué es el RFC? El Registro Federal de Contribuyentes (RFC) es una clave única que requiere toda persona física o mora
Is 418 Im a teapot really an HTTP response code? The RFC specifies this code should be returned by teapots requested to brew coffee This HTTP status is used as an Easter egg in some websites, including Google com
Which RFCs specify the syntax of hostnames and constraints on DNS . . . 6 Regarding the syntax of hostnames, answers to questions like this often refer to RFC 1123 and RFC 952, but fail to mention RFC 921 which seems to place additional restrictions on hostnames There are probably a bunch of later RFCs about the DNS (and IDN) which cover constraints on hostnames handled by the DNS
ssl - How do Common Names (CN) and Subject Alternative Names (SAN) work . . . Update: as per RFC 6125, published in 2011, the validator must check SAN first, and if SAN exists, then CN should not be checked Note that RFC 6125 is relatively recent and there still exist certificates and CAs that issue certificates, which include the "main" domain name in CN and alternative domain names in SAN
What pattern should be used to parse RFC 3339 datetime strings in java . . . 18 This seems to be a common question with many different answers Before you answer, I have used both joda-time and atomdate and they work great My interest here is not what library to use but instead a clarification on how RFC pattern should be defined in java