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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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How do I know which RFC are in use?

The RFC index ( https://tools.ietf.org/rfc/index ) suggests that HTTP Version 2 (RFC7540) and HTTP 1.1 (RFC2068) both have a standard of PROPOSED STANDARD but are pretty well industry standard for HTTP. Does the IETF explicitly or implicitly track…
90ueiomtn
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How to solve the problem of "Access Denied: Invalid token, wrong code"?

A recent school project I was assigned has a coding challenge we have to complete. The challenge has multiple parts, and the final part is uploading to a private GitHub repo and submitting a completion request by making a POST request under certain…
Bug
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SMTP: \r\n\r (without second \n) as double newline

I have SMTP parser that works mostly fine. There is a problem when receiving traffic from third party software that sends double newlines as "\r\n\r" (without the second "\n"). Currently such connections are terminated as non-compliant SMTP. Can…
Muxecoid
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How can I make my email username comply with RFC 2822 using swiftmailer in Symfony?

I try to setup the email configuartions for swiftmailer in services.yaml parameters: mailer: smtp_host: 'abc123.webthing.myhost.de' smtp_port: 587 smtp_cert: 'tls' smtp_username: 'ab12345-laura' …
peace_love
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Need help trying to understand the OAuth2 Spec

The bearer token spec is the one I have a question about. I'm trying to figure out what characters are allowed in the token when placed in the Authorization: OAuth ...... header. Here's what the spec says credentials = "OAuth2" RWS access-token…
Micah
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With RTSP/UDP, how does server know where to send reply?

Although I have yet to see an RTSP-capable player that uses UDP for the RTSP control channel, RFC2326 allows for UDP to be used. However it does not specify how a client should tell the server where to send the RTSP replies. Is there any established…
Remy
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Is there any RFC standard for "Raise hand" functionality in SIP calls?

I'm trying to understand what kind of standard protocols can be used for "Raise hand" function in SIP VoIP calls. I see this function is implemented in many products, but I can't find any standard protocol definition for this. Consider we have 3…
Michael Nosov
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Difference between RFC 2986 & RFC 4211 and which one is a spec for Certificate Signing Requests?

The abstract for RFC 4211 seems to say that the RFC is meant to be a spec for CRMF (which I understand to be a protocol for transmitting a CSR), while RFC 2986 specs out the CertificationRequest information type, which seems also be a CSR. What is…
Sua Morales
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Java Springboot, RestTemplate result number encoding

I've an api, which read from an OracleDB. If i call it directly it returns: { ... ... numericField: 910010000346422907 ... otherNumericField: 2018020800 ... } but if i call it through a springboot java server using URI targetUrl=…
user7794336
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RFC2396 - what is valid path segment?

Problem area I need to define whether a particular path segment is valid against RFC2396. The spec says: path_segments = segment *( "/" segment ) segment = *pchar *( ";" param ) param = *pchar pchar = unreserved | escaped | ":"…
mindas
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Conformant HTTP 1.1 Server and client-side connection half-close

I've observed a HTTP 1.1 Server implementation, which terminates a client connection as soon as it detects a client-side connection shutdown of its outgoing channel (or rather, either before or after sending a proper http response). Is this a…
hvr
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How does SMTP escape an RSET command after a DATA command?

In RFC 821, it says that a reset (RSET) command can be sent after a DATA command and some mail data has been sent: However, what distinguishes between a mail client sending an RSET command after DATA, and a mail that contains the word "RSET" on a…
Trevor
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single letter Top Level Domain TLD in email REGEX

I have gone through a lot of documents like RFC 822 and RFC 5322 and lot of Regex examples for email field. All of them allow the single word TLD.For eg test@test.c is valid ,but TLD 'c' ,is it even allowed for TLD's ? .com , .in , .uk etc is OK but…
sajanyamaha
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Is the rfc-info "help: ways_to_get_rfcs" dead?

I was just reading "TCP/IP Illustrated" and found that one of the ways to find all sources of RFCs is to send the following email: To: rfc-info@ISI.EDU Subject: getting rfcs help: ways_to_get_rfcs Tried it for fun -- how could I not when it's such…
Yuriy Nemtsov
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How to encode the filename parameter value of the Content-Disposition header in MIME message?

By checking the source of some emails, I found that many emails use 'Encoded Words' (RFC 2047) format to encode the filename parameter values. However, according to RFC 2047, this encoding method should not be used to header parameter values.…
Gödel
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