RE: Blocking a multitude of IP's ????

  • From: "KEN MORRIS" <KMORRIS@xxxxxxx>
  • To: "[ExchangeList]" <exchangelist@xxxxxxxxxxxxx>
  • Date: Sat, 6 Mar 2004 16:30:47 -0500

Thanks Mark!


-----Original Message-----
From: Mark Fugatt [mailto:mark@xxxxxxxxx] 
Sent: Saturday, March 06, 2004 3:40 PM
To: [ExchangeList]
Subject: [exchangelist] RE: Blocking a multitude of IP's ????

http://www.MSExchange.org/

Go into the properties for your SMTP Virtual Server > Access > Connection
Control, select "All Except the list below" and then click Add, select Group
of Computers, set the Subnet Address to 69.42.0.0 and the Subnet Mask to be
255.255.0.0 


Mark Fugatt
MCSE, MCT, Microsoft Exchange MVP
Pentech Office Solutions Inc
Rochester, NY
Tel: 585 586 3890
Cell: 585 576 4750
http://www.4mcts.com
http://www.exchangetrainer.com

-----Original Message-----
From: KEN MORRIS [mailto:KMORRIS@xxxxxxx]
Sent: Saturday, March 06, 2004 3:37 PM
To: [ExchangeList]
Subject: [exchangelist] Blocking a multitude of IP's ????

http://www.MSExchange.org/

Hi,
Currently my E2K server is being bombarded by SPAM from the following list of
IP's:
69.42.97.218
69.42.98.11
69.42.100.70
69.42.100.91
69.42.101.228
69.42.101.216
69.42.102.51
69.42.103.227
69.42.105.81
69.42.107.125
69.42.108.58
69.42.108.67
69.42.109.190
69.42.110.15

There is a re-occurring start to the IP range and that is 69.42. and this is
only from the last 24hrs. What would you recommend as to the best way to
block/stop this spam. I will be using E2K and Checkpoint FW to co-ordinate
the blocking. Is it possible to block the range of IP's from 69.42.97.x to
69.42.11.0 all in one rule, or will I have to create for each IP range (
69.42.100.0-69.42.100.254)

TIA
Ken

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Other Internet Software Marketing Sites:
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No.1 ISA Server Resource Site: http://www.isaserver.org Windows Security
Resource Site: http://www.windowsecurity.com/ Network Security Library:
http://www.secinf.net/ Windows 2000/NT Fax Solutions: http://www.ntfaxfaq.com
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