Re: How to get rif of DHCP broadcast logging?

  • From: "David Elmquist \( Subcore \)" <david@xxxxxxxxxx>
  • To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
  • Date: Mon, 7 Jan 2002 15:57:26 +0100

[isalist] Re: How to get rif of DHCP broadcast logging?Leo

You could try to create the packet filter i`ve been going on about.
Something like:

Block packet transmission
Custom: UDP - 
Direction - recieve
local port: fixed - 68
remote port: fixed - 67
This ISA server`s external IP adress: 0.0.0.0
remote computer:192.168.255.1

Open the filter after creation and untick: Log any packets mathing this filter.

David Elmquist



2002-01-06 00:00:15 192.168.255.1 255.255.255.255 Udp 68 67
BLOCKED 62.45.59.38
  ----- Original Message ----- 
  From: Leo 
  To: [ISAserver.org Discussion List] 
  Sent: Monday, January 07, 2002 2:56 PM
  Subject: [isalist] Re: How to get rif of DHCP broadcast logging?


  http://www.ISAserver.org


  There are a lot of protocols that broadcast. Neither of these protocols
  are visible in the ISA logs. It's only DHCP that's giving trouble.
  The LAT is also good configured...so it's even stranger because broadcast
  traffic is only mentioned for the local segment. The external adapter does
  not belong to that segment!!

  Changing the "DisableRogueDetection to 1" is not the solution because it's
  not a client orientated problem. The external adapter already has an
  address and the initial cause of the problem is a DHCP server problem or
  an ISA server problem.

  I'm wondering if there is anyone without this problem!?

  Greetings,
  Leo

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