@misc{rfc5021,
    series =    {Request for Comments},
    number =    5021,
    howpublished =  {RFC 5021},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC5021},
    url =       {https://www.rfc-editor.org/info/rfc5021},
    author =    {Simon Josefsson},
    title =     {{Extended Kerberos Version 5 Key Distribution Center (KDC) Exchanges over TCP}},
    pagetotal = 7,
    year =      2007,
    month =     aug,
    abstract =  {This document describes an extensibility mechanism for the Kerberos V5 protocol when used over TCP transports. The mechanism uses the reserved high-bit in the length field. It can be used to negotiate TCP-specific Kerberos extensions. {[}STANDARDS-TRACK{]}},
}