I want to authenticate unknown users from my network to the internet.
I´m able to authenticate users in my ldap server using the web form, from my captive-portal in my pa-500.
But my issue is this:
Before the users receiving the portal page they receive the error in the browser saying, that is an invalid certificate. I understand this, because I’m using the pa certificate witch is invalid. Not a public one.
My question is: can I use the captive portal, just in http??? Pa intercepts for authentication in https: but the form is in http. Is there any change to intercept and prompt credentials in http:
Or I must buy a public certificate? I can´t use an internal certificate using the active directory, because I’ve got some machines not joined to the domain. Appreciate some help.
If you have a few non domain machines, is it possible to manually have these users install the CA in the trusted CA store?
You can generate a CA on the PA device (or use your internal windows CA) & use it to generate the captive portal certificate. You can then export this CA out of the PA & possibly push it out through GPO to your domain machines.
Authentication in the clear may not be a good idea, since a sniffer on the wire may be used to get access to the credentials being used.
I agree with achitwadgi. Would like to add that a public cert is not that expensive if you want to avoid the warning messages. We have a public cert for our PA5000s. We have a self signed cert for our PA-500 which we use in a test environment and guest access.
I know about the public certificate, because I have several customers with the public certificate. The sniffer, is not an issue to me in the internal network, but I would like to know, how to make it possible without https in captive portal.
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