On Fri, 19 May 2000, Graeme Robinson wrote:

> Does anyone have experience configuring Redhat (in this case 6.1) to 
> receive  and act upon shutdown broadcasts?  I've got an NT 4.0 server 
> running the UPS service and configured to instruct other servers on the 
> network to shutdown in event of powerfailure and want to know how I might 
> get my Linux box to react to the broadcast with an orderly shutdown.
> Thanks in advance.
> Graeme Robinson.


It wouldn't be hard to write a little program to listen on the appropriate
port and do the deed.  Perl could be used to do so quiet easily.

Some questions however,

How is the shutdown secured ?

Is the shutdown message signed or encrypted somehow ?

This kind of service could potentially provide for one hell of a DOS
attack.


Cheers
Jason.


---
Jason Ball
Electronic Commerce Specialist
Corporate Express Australia Ltd
Phone: +61 2 9335 0374  Fax: +61 2 9335 0753
Email: [EMAIL PROTECTED]

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