Re: iscsi: comments to iSCSI rev 6

[Steve Senum <ssenum@cisco.com>]

I would prefer the text stay as is,
that the target not send any response
for an unknown key.  I see no value
at all in sending key=NotUnderstood.
Lack of a response tells me that already.

Steve Senum

> > Section 2.8.3: Keys not understood by the target should be expicitely
> > indicated as not being understood.  Silence is not a good way to indicate
> > that one does not understand something.
> >
> > +++ as for keys not understood the intent is to have new or vendor
> specific
> > keys not interfering with the old or standrd only implementations  +++
> 
> +++ yet another way for a DOS attack - but I will change it. The text will
> read now:
> 
> Any other key not understood by the target may be ignored by the target
> without affecting basic function. However the Text Response for a key that
> was not understood MUST be key=NotUnderstood.
> 
>    If the Text Response does not contain the key requested, the initiator
>    must assume, whenever appropriate, that the response was "none".
> 
> How will returning "key=*not understood*" going to interfer with anything?
> It's much better than silence.
>