The Login page allows you to log into the WebUser Interface by presenting your user name and password:
Check that the Domain Name (domain1.dom in this example) correctly specifies the Domain your Account belongs to. If you cannot open the Login page of the proper Domain, you still can log in, but then you would need to enter your full Account name (in the accountName@domainName form).
Your Account WebUser Preferences (Settings) may enable some additional security mechanisms, such as the Fixed IP Address mechanism and/or the Cookies mechanism.
When you connect using a network with multi-home proxies (such as the AOL network), your requests come to the CommuniGate Pro server from different network addresses, even when you continue to use the same browser on the same network. If you have to connect to the Server from such a network, you may want to disable the Network Address feature for this session, otherwise you will get disconnected very quickly.
Some browsers do not support "cookies". If you have to connect to the Server from such a browser, you may want to disable the Cookie check for this session.
If you always connect from a proxied network or if you always use a browser that does not support cookies, you may want to disable this security options in your Account WebUser settings, so you won't have to disable them manually every time you try to log in.