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Questions tagged [rfc]

A Request for Comments (RFC) is a publication of the Internet Engineering Task Force (IETF) and the Internet Society, the principal technical development and standards-setting bodies for the Internet.

A Request for Comments (RFC) is a publication of the Internet Engineering Task Force (IETF) and the Internet Society, the principal technical development and standards-setting bodies for the Internet.

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Sendmail support of empty group addresses (AKA list syntax)

E-mail group addresses such as undisclosed-recipients:; or a group:,; are valid forms of addressing according to RFC 5322, see for instance the illustrative example in Appendix A.1.3. In Sendmail, this is called…
xebeche
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Is smart hosting to an A record a violation of RFC-5321 section 1?

I have a sendmail server configured to smarthost to a downstream resource. The configuration is currently: define(`SMART_HOST',`relay:[vip.example.local]')dnl Since it's sending the A record for vip.example.local. I've been told that this is a…
Mike B
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Is Strict-Transport-Security HTTP header name case-sensitive?

I'm digging into the HTTP Strict-Transport-Security specification, https://www.rfc-editor.org/rfc/rfc6797 It specifies the syntax of the header like this: Strict-Transport-Security: max-age=15768000 ; includeSubDomains The RFC specifies that…
Shnatsel
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Unable to get structured data in logged messages even after adding mmpstrucdata and mmrfc5424addhmac?(RFC5424)

I am trying to log messages with structured data . But it is showing null value for structured data. I am working with rsyslog 8.9.0.Can someone tell me either i need to load some module or modify source to get structure data SD-IDs in logged…
StackUser
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What does this SAP error mean? recv104 NiIReadrecv nixxi.cp5087

I have an SAP BI Portal system and an SAP BW system. In the Visual Administrator of the BI Portal, section 'JCo RFC Provider' I have created some RFC listeners. In the SAP BW system (in transaction SM59), I have created, tested and activated the…
Techboy
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How to exclude LAN traffic from IPSEC policy

I am trying to replace a Firewall/VPN appliance (Snapgear SG300) with another (Mikrotik RB951G-2HnD). My current router works, but, for the new mikrotik router, when I add the phase 2 tunnel, I can no longer access the router. I suspect the problem…
Scott Nelson
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Advertise NO-SOLICITING (RFC3865)

Does it bring anything to specify the Solicitation class keywords in Advertise NO-SOLICITING as per RFC-3865? For instance: dom.spammer:ADLT,dom.listing:ADV
pl1nk
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How is mail delivered to an account different than specified in To header?

Possible Duplicate: How can email possibly be routed to the right place with no to: address? I've seen this quite a few times now. I will receive an email at a domain that I manage (colin@example.com) from an @yahoo.com account but the To header…
ColinM
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IP-Multicast difference between 224.0.0.1-255 and 239.0.0.0/8 block

Whats the difference between: Local subnetwork Addresses in the range 224.0.0.0 to 224.0.0.255 are individually assigned by IANA and designated for multicasting on the local subnetwork only. For example, the Routing Information Protocol (RIPv2)…
Gobliins
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Is there a common X-Header for RFC 2821 "MAIL FROM"? Should it be DKIM signed?

w.r.t. the difference between RFC2821 MAIL From and RFC2822 FROM I'm considering having my MTA add a header specifying what was sent in the MAIL FROM portion of the envelope. The RFC2821 header is used for receiving email bouncebacks, and is the…
makerofthings7
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FreeBSD slow transfers - RFC 1323 scaling issue?

I think I may be having an issue with window scaling (RFC 1323) and am hoping that someone can enlighten me on what's going on. Server: FreeBSD 9, apache22, serving a static 100MB zip file. 192.168.18.30 Client: Mac OS X 10.6, Firefox…
Trey
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How to configure bind for a private subdomain?

I am attempting to define a subdomain for a private network (RFC1918) behind a NAT firewall; let's call it priv.example.com. Normally, and from what I can gather on various websites, this could be done by delegating the subdomain from the public…
Schparky
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Hotmail wants me to modify my SPF record

This is my current SPF record. It works well with gmail and yahoo but hotmail was ignoring. So i used their submit system and now they replied me with the text below. This is my current spf v=spf1 a mx ptr ~all Now this is hotmail message We have…
Furkan Gözükara
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Space a valid delimiter for email addresses in email header?

Is it syntactically correct to delimit multiple email recipients in the "To" header of an email with spaces only or do I need to use another delimiter (a semicolon or the like)? Example (MIME data reads as follows): Date: Mon, 04 Oct 2010 06:14:16…
semanticalo
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is "GET /" a valid HTTP request?

I noticed that sending GET / (+CRLF) to some webservers (e.g. from a well-known search provider) results in a HTTP/1.0 200 OK message. Other webserver respond with a HTTP/1.0 400 error. To my knowledge even HTTP/1.0 requires the version field. Is…
Richard
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