How to put a password protection on one of my tunnels?

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How do I put password protection on one of my tunnels? Right now anyone can go my tunnel and access the content, but I want to restrict access so only I can log in to the site.

You are going to want to create an Access Application that covers your tunnels’ hostname.

I’ve looked through that setting but I don’t see the option where you would enter the specifics for what the password will be.

In the “Configure rules” section I put “Authentication Method” and “pwd - password-based authentication.” But I don’t know what to do after that.

This is only if you are using an IDP as your access method. There is no option for just a password, the closest you can get is a One Time Pin.