nanog mailing list archives

Re: I don't need no stinking firewall!


From: Ryan Brooks <ryan () hack net>
Date: Tue, 05 Jan 2010 23:14:05 -0600

On 1/5/10 3:24 PM, Robert Brockway wrote:
On Tue, 5 Jan 2010, Dobbins, Roland wrote:

The problem is that your premise is wrong. Stateful firewalls (hereafter just called firewalls) offer several advantages. This list is not necessarily exhaustive.

Great advantages list, but where's the disadvantages list?

Here's mine:

1..n) Stateful firewalls go down. It's the very nature of what they do. If you haven't had this problem, then your application is small.

Everyone needs to listen to Roland's mantra: "stateless ACLs in hardware than can handle Mpps". It's more than just a hint.




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