When IP addresses are changing frequently, users will be logged out and the login screen will have the warning message "Error: IP address has changed. Please log in again" This is confusing to users, and it is often unclear to the users that this is a network issue, not a problem with with Koha. Furthermore, the library's IT staff may claim that the IP addresses have not changed, which puts the user in a very difficult position. C4/Auth.pm defines the variables 'oldip' and 'newip' in addition to 'different_ip'. I would suggest changing [% IF ( different_ip ) %] <div id="login_error"><strong>Error: </strong>IP address has changed, please log in again </div> [% END %] to [% IF ( different_ip ) %] <div id="login_error"><strong>Error: </strong>IP address has changed from '[% oldip %]' to '[% newip %]', please log in again </div> [% END %] This message gives users (and anyone supporting them) the evidence to back up the claim that the IP address has changed.
I could try and make this change, but is there a reason we might not want to show this information?