On Mon 30 May 2005 12:20, Frank Duignan wrote:
> Does anyone know if is possible to restrict access to hosts from
> within Ireland only? The reason I ask is that I've noticed most
> breakin attempts on machines I manage emanate from abroad. I was
> sort of thinking of allowing access only to hosts within know irish
> ip-address ranges (or is this daft?)
If there are not too many people (or more specifically
computers/laptops) that need to log in remotely then a easier and
better solution would be to filter by MAC address.
For example, in iptables, the rule:
-A INPUT -m mac --mac-source 00:00:00:00:00:00 -j ACCEPT
will allow access from the listed MAC address. You can add additional
checks to the rule like destination port, etc.
GPG key: http://www.barryodonovan.com/gpg.asc
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