krb5_sname_to_principal or LDAP/SASL/GSSAPI and reverse DNS

[Derek Atkins]

John Hascall <john at iastate.edu> writes:

> I would be interested in hearing more about #3 (how does
> hostname canonicalization == no security?)

DNS spoofing.  I spoof the PTR lookup to a machine that I own.
I now act as a Man-in-the-middle.

> John

-derek

-- 
       Derek Atkins, SB '93 MIT EE, SM '95 MIT Media Laboratory
       Member, MIT Student Information Processing Board  (SIPB)
       URL: http://web.mit.edu/warlord/    PP-ASEL-IA     N1NWH
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