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Questions tagged [rfc]

An RFC is a "Request For Comments": the form of internet standards from the Internet Engineering Task Force (IETF) until they are made standards. And the usual form of reference to those standards.

An RFC is a "Request For Comments": the form of internet standards from the Internet Engineering Taskforce (IETF) until they are made standards. And the usual form of reference to those standards.

Official Site: http://www.ietf.org/rfc.html

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What does the AAAA in an AAAA record mean?

What does the AAAA in an AAAA record mean? I am guessing it is for address:address:address:address but couldn't even find a mention of AAAA in the IPv6 specification. Please provide a source.
Elijah Lynn
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HTTP Status Code Priority and Processing

Let's say a web application gets the following request: POST /some/endpoint HTTP/1.1 Host: Accept: application/json Accept-Language: pt Content-Type: application/json If-Match: "blabla" Some body If the server doesn't support HTTP 1.1…
user2141650
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URN/URI For Software Manufacturer/Product/Version

I am working on extending a current logger solution that I would like to include more information than just class, line number, log level, date, etc. I would like to also capture the host name, the manufacturer of the software that generated the…
davidemm
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diffie-hellman ssh keyxchange

I've set out to make a primitive SSH client in C#; you might remember me from posts such as primitive ssh connection (lowlevel) hehe. Anyway, things are great up until the time when I initiate a DH key exchange. I've compared the traffic when I…
Chuck
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Which RFCs specify the syntax of hostnames and constraints on DNS hostnames?

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…
jotik
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In quoted-printable, what constitutes a line break according to the 76 character rule?

While the RFC 2045 clearly states that a line in quoted-printable (QP) must not be longer than 76 characters, in the real-world not every client seems to follow this requirement. Or could it be I misunderstand the requirement from the RFC? Consider…
0xC0000022L
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DHCP Options field padding

According to RFC2132 "Pad Option" (0s) CAN be used to align subsequent fields on word boundaries. But looking at DHCP packets I can't tell what is the size of the "word". Onetime "Options" field is 32 bytes, one time is 60 bytes. In my setup the…
Chris
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RFC question about cookies and paths

I'm trying to set a session cookie restricted to a particular path (let's say /foo) when a user logs in. The complication being that the login page is on /, but the request immediately redirects to /foo/something. Something like this: Request: POST…
Dan
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Different query/parameter separators in URIs

I wonder what the different parameter separators in (SIP) URIs indicate? Some separated by ;, like: . Other are separated by ? and &, like:
John Fear
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Why Gmail doesn't display my RFC 2047-encoded From header?

My Python application uses email.header.Header (http://docs.python.org/2/library/email.header.html ) to encode all headers of outgoing email (including From header), just like indicated here: Encoding mail subject (SMTP) in Python with non-ASCII…
Marcin
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Does Spring MVC URI Template processing implement RFC 6570?

I am trying to find a definitive answer as to how URI Templates in Spring MVC are parsed. The Documentation links to the Draft RFC, but Spring is not listed in the RFC's implementations page On the other hand, this page seems to suggest that they…
Alexandre Roger
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Nonstandard DMARC report sent by Google

I'm working on a system which parses DMARC reports and I figured the following issue: Sometimes, Google sends nonstandard e-mails, as can be seen below: MIME-Version: 1.0 X-Received: by x.x.x.x with SMTP id xxxx.xx.xxxx; Thu, 22 Aug 2013 02:13:03…
Cristian Ciocău
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RTP AAC Packet Depacketizer

I asked earlier about H264 at RTP H.264 Packet Depacketizer My question now is about the audio packets. I noticed via the RTP packets that audio frames like AAC, G.711, G.726 and others all have the Marker Bit set. I think frames are independent. am…
pcbb
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How to write a good RFC standard and where to get started?

I was wondering what it requires to write a standard which targets programmers (e.g. JSON) and where to get started? Does anyone has hands-on experience on that?
Michal
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Implementing an HTTP proxy

I would like to implement and HTTP proxy server to get a deeper understanding of some of the finer points of the protocol and learn some socket programming along the way but I don't want to implement a full-blown HTTP server. What are the relevant…
David K.
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