North American Network Operators Group

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Re: Secure DHCP?

  • From: Andrea Di Lecce
  • Date: Sun Jul 25 03:03:30 1999

At 22:45 7/24/99 -0400, Daniel Senie wrote:
>You don't specify whether this was a corporate network or a production
>(e.g. cable) network. The short answer (especially if a corporate
>network): get him fired, or worse. (I.e. take some sort of legal
>action). If a public, network, such as a cable modem system, that'd be
>fairly nasty...

Our cable modems have the option of directional port filtering.  When we
realized what a problem rogues could be, we very quickly filtered off
traffic from the customer PC with destination port 68.


Andrea Di Lecce                     (416) 935-6485
[email protected] Network Operations
1 Mount Pleasant Road, Toronto, M4Y 2Y5