RFC 4250:The Secure Shell (SSH) Protocol Assigned ...
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IANA


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... to create the initial state of the IANA databases for the SSH protocol and also contains instructions for future assignments. Except for one HISTORIC algorithm ...


... purpose defined by the local site. No attempt is made to prevent multiple sites from using the same value in different (and incompatible) ways. There is no need for IANA to review such assignments and assignments are not generally useful for interoperability ...
... HIERARCHICAL ALLOCATION - Delegated managers can assign values provided they have been given control over that part of the name space. IANA controls the higher levels of the namespace according to one of the other policies. ...
... long as they provide a point of contact and a brief description of what the value would be used for. For numbers, the exact value is generally assigned by the IANA; with names, specific names are usually requested. ...


... IANA Considerations ...
... This entire document is the IANA considerations for the SSH protocol, as defined in [SSH-ARCH ...
... RFC2434]. The IANA will not control the message numbers in the range of 192 ...
... method, as described in [RFC2434]. The IANA will not assign Disconnection Message 'reason code' values in the range ...
... method, as described in [RFC2434]. The IANA will not assign Channel Connection ...
... While it is understood that the IANA will have no control over the range of 0xFE000000 to 0xFFFFFFFF, this range ...
... session@example.com" but fails, then the server will respond with either a 'reason code' assigned by the IANA (as listed above and in the range of 0x00000001 to 0xFDFFFFFF), or with a locally assigned value in the ...
... that is consistent with the proposed local 'channel type'. It is assumed that practitioners will first attempt to use the IANA- assigned 'reason code' values and then document their locally assigned 'reason code' values. ...
... method, as described in [RFC2434]. The IANA will not assign Extended Channel Data Transfer ...
... In the following sections, the values for the name spaces are textual. The conventions and instructions to the IANA for future assignments are given in this section. The initial assignments are given in their respective sections. ...
... All names registered by the IANA in the following sections MUST be printable US-ASCII strings, and MUST NOT contain the characters at- ...
... and MUST NOT be longer than 64 characters. A provision is made here for locally extensible names. The IANA will not register, and will not control, names with the at-sign in them. ...


... Narten, T. and H. Alvestrand, "Guidelines for Writing an IANA Considerations Section in RFCs", BCP 26, RFC 2434, October 1998. ...



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