Hello.
I would strongly recommend to do it the other way around, only let those
things through you know you want and need.
Recommended reading for this:
Zwicky/Cooper/Chapman:
Building Internet Firewally
O'Reilly
ISBN 1-56592-871-7
Greetings
olli
On Mon, 18 Dec 2000, Robert Olsson wrote:
> Are there some sort of guidelines on what should be blocked on an
> Internet-router? RFC 1918 addresses and TCP/UDP-ports 137-139 are of
> course well-known, but is there anything else that is recommended or
> perhaps even required? I had a faint memory of seeing something about
> this on ISOC's homepage but found nothing. Anyone with ideas?
>
> //Robert
>
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