How to publish applications located on LAN users from the Internet

Dear support.

I have a problem of security.

I have an application based on my local network, this app locally available by http. It is a critical application for the company.

For business reasons, we need access to internet users to access the application, read the data, push and load files and do other measures regarding the application.

My question is how can I give access to the main application for users from the internet to an application based on the local network?

There is a solution to ensure the scenario?

Thank you

Well, there is rarely a "must" or "must not" such things.

Commonly accepted recommended is to use a DMZ. The server is reinstalled to a dedicated subnet where the only publicly accessible servers. You allow outside clients initiate traffic only to the appropriate ports and protocols on the web server and then enable the web server to initiate communication to internal resources through its service known and required profile.

There are all kinds of building measures additional can be taken. I would like to reiterate the secure application via demanding https instead of http traffic completely uncertain. It is a method. Others include things like using a 7 Web Application layer firewall in front of your server. This feature is available in the majority of the load balancers / application delivery controllers (such as Citrix Netscaler, F5 BigIP, etc.).

Maybe it's not practical for a small store without all of this existing infrastructure and only one application running on a single server, but you asked how large companies such as banks do. They use multiple layers of security with several points in the access, treatment and storage subsystems to implement defense in depth.

Tags: Cisco Security

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