] On Behalf Of Darin Cox
Sent: Tuesday, November 23, 2004 9:40 AM
To: [EMAIL PROTECTED]
Subject: Re: [Declude.JunkMail] Blocking Dictionary Attacks
IMail Administrator, SMTP Service, Security tab, Control Access button.
Darin.
- Original Message -
From: Grant Griffith [EMAIL PROTECTED
PROTECTED] On Behalf Of Darin Cox
Sent: Wednesday, November 24, 2004 9:24 AM
To: [EMAIL PROTECTED]
Subject: Re: [Declude.JunkMail] Blocking Dictionary Attacks
Are you granting access or denying access? BTW, you will probably need to
restart SMTP after changing this.
Darin.
- Original Message
Griffith [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Wednesday, November 24, 2004 9:21 AM
Subject: RE: [Declude.JunkMail] Blocking Dictionary Attacks
I am denying access to all except for the barracuda IP. I did restart the
service after making the change. I am running 8.14 if that matters.
Thanks
both it and the
barracuda in IMail's SMTP security.
Darin.
- Original Message -
From: Grant Griffith [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Wednesday, November 24, 2004 9:49 AM
Subject: RE: [Declude.JunkMail] Blocking Dictionary Attacks
The Barracuda Firewall is an incoming only
A gateway is the only solution I know of for distributed dictionary attacks.
Since the attacks are coming from all over the place, there's no IP to
block.
All the gateway does is move the brunt of the attack off of the primary mail
server to the gateway server. The gateway server should then
of ETC
(877)483-3393
(812)933-5390
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Darin Cox
Sent: Tuesday, November 23, 2004 8:59 AM
To: [EMAIL PROTECTED]
Subject: Re: [Declude.JunkMail] Blocking Dictionary Attacks
A gateway is the only solution I know
PROTECTED]
To: [EMAIL PROTECTED]
Sent: Tuesday, November 23, 2004 8:59 AM
Subject: Re: [Declude.JunkMail] Blocking Dictionary Attacks
A gateway is the only solution I know of for distributed dictionary attacks.
Since the attacks are coming from all over the place, there's no IP to
block.
All
IMail Administrator, SMTP Service, Security tab, Control Access button.
Darin.
- Original Message -
From: Grant Griffith [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Tuesday, November 23, 2004 9:14 AM
Subject: RE: [Declude.JunkMail] Blocking Dictionary Attacks
OK, I am going to jump
: Re: [Declude.JunkMail] Blocking Dictionary Attacks
Thanks for reply. One thing I found this morning on IMail list recent post
was BlackIce settings whereas will auto-block IP for 3 failed non-existent
user attempts within 30 seconds. The BlackIce documentation is poor on this
subject and never
: BLARSBL:Re: [Declude.JunkMail] Blocking Dictionary Attacks and Mail
Harvesting
Reply to: Jesus Alvarez
Re: [Declude.JunkMail] Blocking Dictionary Attacks and Mail
Harvesting on Monday 4:26:37 PM
The Server version of NetworkIce Black Ice detects these as
'SMTP- too many errors'. When we
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