AXIS 250S User’s Manual The System Options 31Adding UsersClick Add to add a new user. The following fields must then be completed:• User Name - Must contain at least one, but not more than fourteen characters.• Password - Must contain at least one, but not more than eight characters.• Confirm Password - Repeat the above password here.User Group - Check the appropriate box to define the access rights and privileges for the newuser, where the level of access can be described as follows:• Viewer - Provides the lowest level of access, which only allows the user to see live images.If the controls for a PTZ unit and/or the Trigger Event button are displayed on theapplication page, then a user with viewing rights will also be able to use these.• Operator - An Operator has access to all of the settings not included in the SystemOptions, that is, he/she can add and edit settings for event types, upload servers, audio andvideo, etc.• Administrator - An Administrator has unrestricted access to the whole server and canconsequently determine the registration of all other users.After making the settings for the new user, click the OK button.Editing and Deleting UsersTo edit or delete a user, highlight the name in the User list and click the Modify or Deletebutton.Firewall SettingsThe built-in firewall protects your AXIS 250S against unauthorized access. To restrictaccess, you can add IP addresses to the list of allowed addresses - no others will bepermitted access.Enable/Disable Firewall - Click this button to enable or disable the firewall function.Allowed IP Addresses - This list box shows the currently configured IP addresses.Adding Allowed IP AddressesIP Address - Add a single IP address or a whole range of addresses. This last option can beuseful if you have a large number of IP addresses that all need access to the MPEG-2 VideoServer. To add a range of addresses type e.g. 192.168.0.* This will add all the addresses inthe range 192.168.0.0 to 192.168.0.255. Up to 256 allowed IP addresses can be specified.