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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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Is there a formally documented encoding scheme (like Base64) that does not include visually similar characters?

I'm writing up a formal proposal. Part of it requires creating completely random UUIDs (for privacy reasons) and encoding them into a compressed human-readable/writable format, like Base64. However, Base64 permits variants of visually confusable…
Sai
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DNS protocol rfc1035

i learn javascript on node.js, and i want write dns cache server. but i have some problem to understand the answer section of protocol (rfc1035. 4.1.3. Resource record format) i painted a header and question section of protocol (rfc1035. 4.1.2.…
Kolomnitcki
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How do you properly validate an email domain?

I have encountered a problem today, my mail server failed a domain name validation and refused to accept the email because the domain in question has no A record. It has SOA, NS, TXT and MX records only. Since many domains do not have MX my server…
transilvlad
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Clarification on URI path component?

According to RFC 3986 Section 3 - Syntax Components: The scheme and path components are required, though the path may be empty (no characters). Can someone clarify how the path component can be required if it's able to be empty? Maybe I'm…
FtDRbwLXw6
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BMP RFC can't get size of file not from stream size BUT from header info

Trying to get the valid size of BMP file. Of course the best way is just to get the Length property of the loaded stream. But BMP header format DOES include the information about its size and I want to try to get it exactly from BMP header. As from…
Secret
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Why deploy TLS is a significant hurdle for many client developers

I have a question on RFC 6749 about OAuth 2.0.. In this section I read: 3.1.2.1. Endpoint Request Confidentiality The redirection endpoint SHOULD require the use of TLS as described in Section 1.6 when the requested response type is "code" or…
Safari
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Pound sign in url

When I open a url like http://stackoverflow.com/#abc, and then click a link in the page. I find the Referer is still http://stackoverflow.com (Chrome, F12). Why not #abc? The same problem appears when I open a redirected url which also includes…
thomaslee
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Getting email message after IMAP IDLE command exists response

Is it safe to use the total number of messages in the exists response as a way to then get the uid? 7.3.1. EXISTS Response Contents: none The EXISTS response reports the number of messages in the mailbox. This response occurs as a result of a…
Zimm3r
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NFS CREATE File (overwrite) = zero size?

Im implementing NFS and almoste done but the RFC section 3.3.8 says this in its description: mode One of UNCHECKED, GUARDED, and EXCLUSIVE. UNCHECKED means that the file should be created without checking for the existence of a duplicate file in…
Peter
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What RFC's are good to know as a web-developer?

What RFC's are good to know as a web-developer?
Sundar
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What is my software supposed to do with a SSL certificate from the future?

I am developing a software which imports ssl certificates. When the expiration date has past, my software accuses this certificate as invalid. But, let's suppose I have a certificate that is valid notBefore 2015 and we're in 2012. What should my…
apseyy
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URL noob - Is this a specific kind of url? ie RFC 1738?

If i have a url structured like this: : ? = & = is that a specific 'type' of URL? Im trying to figure out if this conforms to RFC 1738
Sean Danzeiser
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RFC 2068 allows comments nested within comments?

According to: RFC 2068: Comments can be included in some HTTP header fields by surrounding the comment text with parentheses. Comments are only allowed in fields containing "comment" as part of their field value definition. In all other…
David J.
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Are "hTTp/1.0" and "htTP/1.1" case-sensitive?

In 2002, Roy Fielding states that HTTP version should be case-sensitive in an RFC errata: Personally, I never had any intention that the "HTTP" be case-insensitive, and I am not aware of any clients that send it lowercase, nor any server that…
Pacerier
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parallel SIP transactions

Is it possible to perform many SIP transactions in parallel, for a UA with two other UAs? Fpor example, if UA1 is in the middle of an INVITE, can UA1 respond to an incoming INVITE from UA3? What about standalone transactions?
Bob
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