[Tickets #3515] NEW: Firewall cuts off all connections

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Ticket URL: http://bugs.horde.org/ticket/?id=3515
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 Ticket             | 3515
 Created By         | bjoern at bjoern-mehlhorn.de
 Summary            | Firewall cuts off all connections
 Queue              | DIMP
 State              | Unconfirmed
 Priority           | 2. Medium
 Type               | Bug
 Owners             | 
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bjoern at bjoern-mehlhorn.de (2006-02-21 04:33) wrote:

To whom it may concern,

i use horde at www.bjoern-mehlhorn.de (a provider installed it for me - i am
not the administrator there, but only a end-user).

When i use it with Mozilla Firefox or Internet Explorer 6.0 in the normal
internet, i have no problems.

But when i use it from my university, the Webmail-Interface (Horde)
everytime i do anything (write a mail, read mail etc.): "Ihre
Internetadresse hat sich geändert, seit Sie die Webmail-Sitzung begonnen
haben. Zum Schutz Ihrer Sicherheit müssen Sie sich neu anmelden"

But this - changing the internet-adress, seems to be normal for a
university-account? So i cant ceck my mails with horde.

What can i do? 

The acception of cookies is not so strict - i cant decide very much. But
many cookies are accepted (first party).

Every normal Web-Interface works fine (www.gmx.net, www.web.net,
www.ebay.com and so on) - noone looses the connection between me and the
Webinterface.

My Internet-provider (university) will not change anything - because
everything works fine (except horde).

What can my E-Mail-provider (Horde-administrator) change, so that horde is
not so sensitive about changing the Login-Adress (e.g. checking not only a
single Adress, but a group of allowed university-adresses or so on).
Is there a log-file, which identifys several different acesses to horde, so
that my E-Mail-provider (Horde-administrator) can read the tried logins and
see the different/changing internetadresses.

Thanks in advance

Bjoern