thanks.
I don't want to appear to be too dumb... but ok, having a look at the 
logs is kind of difficult... I am not at the location right now. anyway, 
the clients (user) should authenticate using a voucher that should be 
valid only 15 minutes, but sometimes, the receptionistas report, that 
websites can be opened just by clicking on the "continue" button.
the log, if I remember right, says something in the direction of 
"unauthenticated" ...
oh, and by the way, firefox is told not to cache anything (but one never 
knows....)

this is the form I am using (excerpted):
---copy and paste---
<form method="post" action="$PORTAL_ACTION$">
<table>
<tr>
<td>
Benutzername / username:
</td>
<td>
<input name="auth_user" type="text">
</td>
</tr>
<tr>
<td>
Kennwort / password:
</td>
<td>
<input name="auth_pass" type="password">
</td>
</tr>
<tr>
<td>
</td>
<td>
<input name="accept" type="submit" value="Continue">
</td>
</tr>
<tr>
<td>
ODER / OR
</td>
<td>

</td>
</tr>
<tr>
<td>
Voucher-ID
</td>
<td>
<input name="auth_voucher" type="text">
</td>
</tr>
<tr>
<td>
</td>
<td>
<input name="accept" type="submit" value="Continue">
</td>
</tr>
</table>

<input name="redirurl" type="hidden" value="$PORTAL_REDIRURL$">
    <!-- <input name="accept" type="submit" value="Continue"> -->
</form>
----done----

Am 03.04.2012 16:57, schrieb Lee Sharp:
> On 04/03/2012 02:33 AM, Ralf Petry wrote:
>> Thanks,
>> On the captive Portal Page, idle timeout is left blank, Hard timeout
>> is set to 60 minutes. On the dhcp Server Page, the Fields for min and
>> max lease Time are left blank as well, just to use the defaults (7200
>> and 86400 seconds)...
>
> Could the password be cached in Firefox?
>
> Look in the logs for when these systems "log in" and what is happening.
>
> Lee
>
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