RE: Invalid Pdus received during Login phase

[Eddy Quicksall <eddy_quicksall@ivivity.com>]

IMHO if the target gets anything before the initial login request, it should
just drop the connection without any reply. I have two reasons for saying
this:

1) The "initiator" may not even be iSCSI ... if it was, it would do a login.
You should not respond because it may be a hacker trying to figure things
out and you don't want to give him any clues. Also, if it is not an iSCSI
initiator, you would be sending "garbage" and who know what the client will
do next.

2) More importantly, some hardware implementations may not be able to even
send anything at all without a session and you can't get a session until you
get the initial login request.

So, the spec should not mandate a response and leave that up to the
implementer.

Eddy

-----Original Message-----
From: Praveen madhavan [mailto:praveenm@nettaxi.com]
Sent: Tuesday, July 30, 2002 7:38 AM
To: ips@ece.cmu.edu
Subject: Invalid Pdus received during Login phase


Hi,
 I would like to know the behavior of Target, when it receives invalid Pdu's
during login phase. 
   Will target generates login response with Error of status detail
-"Invalid during login" and terminates the connections. 
Or Reject command with reason code- "Protocol Error/Invalid PDU".

 If Invalid Pdus are received by Target, even before login phase
( I mean just before first login request from initiator), i think target
can't send login response for it since it was not aware of ISID. In such
senario how will target react ?

regards
Praveen.M 
 




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