I've setup a external web auth page to work with our WiSM and if you enter the correct login details, it allows the user onto the WLAN as planned.
However, if the user details are incorrect, it just returns you back to the external web auth page - but does not return with any status codes, as are available when using custom internal auth.
This means I can't tell users what they have done wrong (invalid credentials, already logged in elsewhere etc...) and I need to be able to offer more help than that.
Is this by design, or have I missed something?
I'm on version 188.8.131.52