BGP and Firewalls...
dholmes at mwdh2o.com
Wed Dec 7 12:19:58 CST 2011
My concern is whether or not consolidating border router and firewall functions in the same device violates, if not explicitly, then the spirit of the "defense in depth" Internet edge design principle. Here is a link to a Department of Homeland Security document where this is discussed (for control systems, but has general application), but not addressed directly: http://www.inl.gov/technicalpublications/Documents/3375141.pdf
The old Checkpoint/Nokia firewalls consolidated routing and firewall functions, but the question is one of layered defenses, such that it seems intuitive that it is inherently more difficult for the bad actor to penetrate network defenses the more devices that have to be penetrated.
From: Gregory Croft [mailto:gcroft at shoremortgage.com]
Sent: Wednesday, December 07, 2011 10:04 AM
To: Christopher Morrow
Cc: nanog at nanog.org
Subject: RE: BGP and Firewalls...
I'm not having problems... Well, not yet anyways. :)
Just investigating to see if there is a reason I shouldn't use a
firewall at the edge versus a dedicated router as well as to see if
anyone can share their specific experience with the PAN devices.
From: christopher.morrow at gmail.com [mailto:christopher.morrow at gmail.com]
On Behalf Of Christopher Morrow
Sent: Wednesday, December 07, 2011 12:44 PM
To: Gregory Croft
Cc: nanog at nanog.org
Subject: Re: BGP and Firewalls...
On Wed, Dec 7, 2011 at 12:31 PM, Gregory Croft
<gcroft at shoremortgage.com> wrote:
> Hi All,
> Does anyone have any experience with using firewalls as edge devices
> when BGP is concerned?
> Specifically the Palo Alto series of devices.
nokia/checkpoint has done this for ages. what's the problem you have?
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