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ASA NAT Exemptions for VPN users

Richard Tapp
Level 1
Level 1

I have an ASA with 3 interfaces, inside, outside and a DMZ running on 8.4(5). There are also VPN users conencting into the firewall.

Connected to the DMZ is an ACE with a private VIP that I can normally get to from Inside and so can the VPN users.

As soon as I assign a public address to the private VIP via the outside interface, the VPN users can't connect to the private VIP any more.

Through the inside interface it still works OK.

I have been looking for something like a NAT exemption for the VPN users, is there such a thing on 8.4(5) ?

2 Replies 2

Andrew Phirsov
Level 7
Level 7

You have to use manual (twice) nat to accomplish this:

object network VIP

host 192.168.10.10

object network RAVPN_POOL

subnet 192.168.X.0 255.255.255.0

nat (dmz,outside) source static VIP VIP destination static RAVPN_POOL RAVPN_POOL

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