From the course: Juniper Security Policies Fundamentals

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Defining custom applications

Defining custom applications

From the course: Juniper Security Policies Fundamentals

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Defining custom applications

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- [Instructor] In an earlier movie, we covered how to use a predefined junos application in a security policy. In the scenario that we've been configuring, the server that is hosted in the DMZ zone is configured to allow SSH logins on a custom port TCP 22000. The default SSH port is TCP 22, but this server is configured to use TCP 22000 as the SSH port. In order to allow this traffic, we'll first need to create a custom application that will allow us to connect using the SSH protocol on a custom port number. But before we do that, let's take a look at the predefined application called junos SSH. I'm at a terminal window. Predefined applications can be viewed from the operational mode or configuration mode. From the operational mode, the command is show configuration groups. Let's do a question mark. The command to view predefined applications is actually hidden. There's a hidden keyword called junos-defaults. And then when we do a question mark, we'll see the keyword called…

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