Thank your for your reply.

I appreciate the information.

H.

----- Original Message -----
From: "Smart Business Lists" <[EMAIL PROTECTED]>
To: "Heimir Eidskrem" <[EMAIL PROTECTED]>
Sent: Wednesday, January 22, 2003 6:14 PM
Subject: Re: [IMail Forum] what a pain!


> Heimir,
>
> Wednesday, January 22, 2003 you wrote:
> HE> And I am conerend that Blackice will do the same.
>
> I  never  saw  any  issues  with  sending and BlackIce unless the user
> wasn't  authenticated or wasn't from a safe IP.  Even so the automatic
> blacklisting is temporary.
>
> We  installed  BlackIce  because of the huge problem we've been having
> with dictionary attacks.
>
> Unfortunately  in  our  experience BlackIce does not act against these
> attacks until the attack is mostly complete at which time time it does
> temporarily  blacklist  the offending ip address.  This apparently has
> to  do  with  how  it  detects the maximum errors along with how Imail
> reports  them.  So it is still not unusual for us to have attacks that
> attempt  more than one hundred recipients.  Now this is an improvement
> because  unprotected  we've  seen many instances where the attacks try
> thousands of recipients.
>
> However  we  started  having  0x0000007F  Errors causing the server to
> reboot.   In  our  case  the  error  was "0x00000008 Double Fault."  I
> suspected BlackIce and turned it off and the errors have ceased.
>
>
> Terry
>
>
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>



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