Same-interface Hairpin
(2017-05-31)
Problem
I have a server on my dmz at 192.168.1.10, with a public IP of 1.1.1.1. I need another server on the 192.168.1.0/24 network to be able to access .10 through its public IP.
Solution
object network LAN
subnet 192.168.1.0 255.255.255.0
object network PUBLIC
host 1.1.1.1
object network LOCAL
host 192.168.1.10
nat (inside,inside) source dynamic LAN interface destination static PUBLIC LOCAL
(Source)