Cisco ASA Training Zero To Hero | Static PAT | lesson 12
In this video I will be explaining about Static PAT on the CISCO ASA. Overview of Static PAT and configuration related to Static PAT on Cisco ASA. In previous lessons I explained how you can use dynamic NAT, Static NAT, so that your hosts or servers on the inside of your network are able to access the outside world. This is great but it requires a pool of Public IP addresses and is only for outbound traffic or in “ASA terminology”…traffic from a higher security level going to a lower security level.
What if an outside host on the Internet wants to reach a server on our inside or DMZ? This is impossible with only dynamic NAT or PAT. When we want to achieve this we have to do two things:
Configure static NAT so that the internal server is reachable through an outside public IP address. Configure an access-list so that the traffic is allowed.
One specific use case for Static PAT is to use a single Public IP address to host multiple services on different internal servers. This is in contrast with a Static NAT which would only allow you to use a single Public IP address to host multiple services on the same server.
The Cisco ASA Family of security devices protects corporate networks and data centers of all sizes. It provides users with highly secure access to data and network resources - anytime, anywhere, using any device. Cisco ASA devices represent more than 15 years of proven firewall and network security engineering and leadership, with more than 1 million security appliances deployed throughout the world.
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