[isalist] Re: ISA 2006 Anti-spoofing
- From: "Steve Moffat" <steve@xxxxxxxxxx>
- To: "ISA Mailing List" <isalist@xxxxxxxxxxxxx>
- Date: Wed, 18 Jul 2007 00:28:56 -0300
http://www.ISAserver.org
-------------------------------------------------------
You hijacker bloke!!!!
-----Original Message-----
From: isalist-bounce@xxxxxxxxxxxxx [mailto:isalist-bounce@xxxxxxxxxxxxx]
On Behalf Of Greg Mulholland
Sent: Tuesday, July 17, 2007 11:12 PM
To: ISA Mailing List
Subject: [isalist] Re: ISA 2006 Anti-spoofing
http://www.ISAserver.org
-------------------------------------------------------
Is there a minimum amount of free disk space for isa 2006 txt log files.
Can
you change the threshold? I cannot find the info.
-----Original Message-----
From: isalist-bounce@xxxxxxxxxxxxx [mailto:isalist-bounce@xxxxxxxxxxxxx]
On
Behalf Of Jim Harrison
Sent: Wednesday, 18 July 2007 11:56 AM
To: isalist@xxxxxxxxxxxxx
Subject: [isalist] Re: ISA 2006 Anti-spoofing
http://www.ISAserver.org
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No doubt created by POS Devices, LLC?
http://support.microsoft.com/kb/838114
NOTE - this is a GLOBAL change that disables IP spoofing for *ALL*
networks.
-----Original Message-----
From: isalist-bounce@xxxxxxxxxxxxx [mailto:isalist-bounce@xxxxxxxxxxxxx]
On Behalf Of William Holmes
Sent: Tuesday, July 17, 2007 6:51 PM
To: isalist@xxxxxxxxxxxxx
Subject: [isalist] Re: ISA 2006 Anti-spoofing
http://www.ISAserver.org
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Hello,
While I agree with you, It's is not possible to change the initial
ipaddress
that this device is using. Is it possible to turn off the anti-spoofing
feature?
Thanks
-----Original Message-----
From: isalist-bounce@xxxxxxxxxxxxx [mailto:isalist-bounce@xxxxxxxxxxxxx]
On
Behalf Of Jim Harrison
Sent: Tuesday, July 17, 2007 9:42 PM
To: isalist@xxxxxxxxxxxxx
Subject: [isalist] Re: ISA 2006 Anti-spoofing
http://www.ISAserver.org
-------------------------------------------------------
"the source ip address its using is not within the range of the subnet
its coming in from" - this is called IP spoofing.
Better that you try to change the device behavior.
-----Original Message-----
From: isalist-bounce@xxxxxxxxxxxxx [mailto:isalist-bounce@xxxxxxxxxxxxx]
On Behalf Of William Holmes
Sent: Tuesday, July 17, 2007 4:24 PM
To: isalist@xxxxxxxxxxxxx
Subject: [isalist] ISA 2006 Anti-spoofing
Hello,
Is there a way to turn off anti-spoofing in ISA 2006?
Here is the situation:
I have my ISA server configured with several "internal" networks. I
have the ISA server setup to do DHCP relaying for all the networks. I
have another network device that is sending a DHCP request and the
source ip address its using is not within the range of the subnet its
coming in from. The destination address is the all ones broadcast
address and the destination port is 67. However the ISA server is still
rejecting the packet as spoofed.
Ideally (at least I think it would be) the ISA server would ignore the
source IP address of a DHCP request. The device is simply "trying" to
get an appropriate ip address for the subnet it's connected to. I
understand the benefits of anti-spoofing but I really want my DHCP relay
to work for all my subnets.
How do I go about shutting it off?
Thanks
Bill
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