Lee Brown wrote:

>I'm sorry Tom, but I don't understand how the leases assigned from 
>the DHCP server automatically add MAC's it has given an address out 
>to, nor remove MAC's for expired leases.
>If I understand the example correctly, that is essentially accepting 
>traffic from a fixed list, maclist is a static filter, correct?

Correct.
What you are asking for isn't available natively in Shorewall - you 
would need some external glue to handle that.

The ISC DHCP server has hooks so you can call external scripts for 
various events - though you'd need to add a buffering layer as 
interacting directly with Shorewall (especially if it involves a 
restart to load a modified config) may be too slow for anything but a 
very lightly loaded DHCP server.

-- 
Simon Hobson

Visit http://www.magpiesnestpublishing.co.uk/ for books by acclaimed
author Gladys Hobson. Novels - poetry - short stories - ideal as
Christmas stocking fillers. Some available as e-books.

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