Manual:Hotspot HTTPS example

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Hotspot HTTPs redirect

Summary

Using Hotspot server without enabled HTTPs login, may result in fail to redirect a client to the Hotspot authentication page if the requested page uses HTTPS protocol. To avoid such scenario, the “HTTPS login” should be enabled.

Hotspot HTTPs login provides:

  • Extra security using SSL key encryption.
  • Ability to redirect clients from HTTPS URLs.

This page contains information how to use SSL certificate to enable HTTPS login on Hotspot server. It is possible to use trusted certification authority (CA) signed certificate as well as no cost, self-signed certificate.

Self-signed certificates

Self-signed certificates can be made with no costs, and without public CA involvement. There are multiple free tools available for creating such certificates. The following examples will show how to use OpenSSL on linux machine, and RouterOS CLI to generate and sign your own certificates.

RouterOS example: OpenSSL example:

http://wiki.mikrotik.com/wiki/Manual:Create_Certificates

Note: By using self signed certificate, SSL redirect warnings will still be present. As part of SSL protocol, cause hotspot captive portal will be seen as Man-in-the-Middle by SSL.


Certificate authority

To use HTTPs login without displaying SSL warning on client browser, requires use of Trusted CA signed certificate. Certificate import procedure is the same as described in previous example.

Hotspot HTTPs login

When you have successfully imported certificate and private key on the router, first you need to enable ssl service and add the name of the certificate in /ip service: 

/ip service set www-ssl certificate=client.crt_0 disabled=no

Next step is to enable HTTPs login on your Hotspot. 

/ip hotspot profile set hsprof1 login-by=https ssl-certificate=client.crt_0


Now all HTTPs requests from unauthorised clients will be redirected to your Hotspot login page.

Note: Such HTTPS sites as google, facebook, etc that use SSL HSTS will still be showing ssl error, and will completely refuse to continue. In such case the end user should try to access different sites.



Full HTTPs Hotspot example

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