standards - What are RFC's? - Stack Overflow
Nov 21, 2016 · 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 …
¿Cómo validar un RFC de México y su digito verificador?
Nov 5, 2016 · 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 …
What is the maximum length of a DNS name - Stack Overflow
Aug 30, 2015 · The confusion comes out of the fact that there are 2 lengths: length of the name as appearing in wire format, and length of the name as it appears for humans, that is a string. …
HTTP 302 Redirect - is a message-body needed? - Stack Overflow
Nov 9, 2011 · 28 RFC 2616 doesn't specify whether a message-body is needed or not, which I interpret as being optional. Is there any practical danger in omitting a message body? For …
How to generate a UUID compliant with RFC4122? - Stack Overflow
Sep 11, 2022 · I am trying to create a UUID that follows the RFC4122 requirements. The documentation for UUID v5 states: uuid.uuid5(namespace, name) Generate a UUID based on …
Custom HTTP headers : naming conventions - Stack Overflow
Aug 25, 2010 · The RFC's exception accounts for potential conflicts between a future standard header and a header from another vendor whose technology may become integrated with …
Valid characters of a hostname? - Stack Overflow
The original specification of hostnames in RFC 952, mandated that labels could not start with a digit or with a hyphen, and must not end with a hyphen. However, a subsequent specification …
Mail::RFC822::Address Regex - Stack Overflow
Dec 25, 2013 · According to the RFC-822 of mail address validation, there is a monster PERL-based Regular Expression with actually so many errors when I tried to use it in online regex …
Is an entity body allowed for an HTTP DELETE request?
The 2014 update to the HTTP 1.1 specification (RFC 7231) explicitly permits an entity-body in a DELETE request: A payload within a DELETE request message has no defined semantics; …
Which characters make a URL invalid? - Stack Overflow
Oct 10, 2009 · Note the newer RFC-3986 (update to RFC-1738) defines the construction of what characters are allowed in a given context but the older spec offers a simpler and more general …