[c-nsp] ASA 5505 NAT and asymmetric routing

Bruce Pinsky bep at whack.org
Mon Oct 8 16:40:01 EDT 2012


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Matthew DeSantos wrote:
> This is the problem I'm having. The public servers aren't behind the asa
> and have to be reached via the internet. I'm trying to keep the public side
> public and the private (internal) stuff private. 
> 

In recent versions of the ASA software, you can do conditional NAT'ing.
For example, I don't apply NAT when traffic is destined to my AnyConnect
VPN clients.

access-list inside_nat0_outbound extended permit ip object Inside-Network
object VPN-Anyconnect-1
nat (inside,any) source static Inside-Network Inside-Network destination
static VPN-Anyconnect-1 VPN-Anyconnect-1 no-proxy-arp

Seeing it in ASDM makes it a lot clearer.

- -- 
=========
bep

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