Comment # 3
on bug 10916
from Patrick
(In reply to Chris Maynard from comment #1)
> (In reply to Patrick from comment #0)
> > Build Information:
> > Version 1.6.7
>
> This is a rather old version of Wireshark that is no longer supported. You
> should consider upgrading, if possible.
>
> > The NHRP dissector incorrectly decodes the cleartext password used in the
> > NHRP Authentication Extension - see the attached capture -
> > The first 4 bytes are decoded as an a Source Address when in fact they are
> > the first 4 bytes of the password, the second four bytes are displayed as
> > just data - when they should be displayed as a password.
>
> Wireshark appears to be dissecting the extension properly according to
> section 5.3.4 NHRP Authentication Extension of RFC 2332
> (http://tools.ietf.org/html/rfc2332).
>
> By the way, the data is not a password at all, but rather, "The data field
> contains the keyed hash calculated over the entire NHRP payload."
This must be implementation specific in this case CISCO as the password is in
clear-text "NHRPAUTH" - it's moot anyway as NHRP would be secured by IPSec
anyway.
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