nanog mailing list archives

Re: Dynamic routing on firewalls.


From: "Jeff McAdams" <jeffm () iglou com>
Date: Thu, 5 Feb 2015 22:19:43 -0500 (EST)


On Thu, February 5, 2015 20:02, Joe Hamelin wrote:
On Feb 5, 2015, at 2:49 PM, Ralph J.Mayer <rmayer () nerd-residenz de>
wrote:
a router is a router and a firewall is a firewall. Especially a Cisco ASA
is no router, period.

Man-o-man did I find that out when we had to renumber our network after
we got bought by the French.

Oh, I'll just pop on a secondary address on this interface... What?

Needed to go through fits just to get a hairpin route in the thing.

The ASA series is good at what it does, just don't plan on it acting like
 router IOS.

Sorry, but I'm with Owen.

Square : Rectangle :: Firewall : Router

A firewall is a router, despite how much so many security folk try to deny
it.  And firewalls that seem to try to intentionally be crappy routers
(ie, ASAs) have no place in my network.

If it can't be a decent router, then its going to suck as a firewall too,
because a firewall has to be able to play nice with the rest of the
network, and if they can't do that, then I have no use for them.  I'll get
a firewall that does.

-- 
Jeff


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