RFC 2486, "The Network Access Identifier", January 1999

Note: This RFC has been obsoleted by RFC 4282

Errata ID: 429
Status: Verified
Type: Technical
Publication Format(s) : TEXT
Reported By: Jonathan Rosenberg
Date Reported: 2003-02-12

Section 3 says:

    nai         = username / ( username "@" realm )
    username    = dot-string
    realm       = realm "." label

It should say:

    realm       = [realm "."] label

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