Internet Assigned Numbers Authority

Security Parameters Index (SPI) Parameters

Last Updated
2010-04-28
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Registry included below

Security Parameters Index (SPI)

Registration Procedure(s)
RFC Required
Reference
[RFC1826][RFC2402][RFC2406][RFC4302][RFC4303]
Note
The Security Parameters Index is a 32-bit number used to identify the
security association of a datagram in certain security procedures
[RFC1826][RFC1827].  The first 256 SPI values are assigned by the IANA
and listed here.
    
Available Formats

CSV
Number Description Reference
0 Reserved - Used to indicate that no security association has been established [RFC4302][RFC4303]
1 SKIP [Tom_Markson]
2 WESP [RFC5840]
3-255 Unassigned

Contact Information

ID Name Contact URI Last Updated
[Tom_Markson] Tom Markson mailto:markson&osmosys.incog.com 1995-08