116 V7122 GatewayUser Guide• Saving a configuration file to flash memory may disrupt traffic on thegateway. To avoid this, perform a graceful lock (see Locking and Unlockingthe Gateway ) on all traffic on the device before saving to flash memory.• A device reset is required to activate a loaded CPT file.Security SettingsFrom the Security Settings you can: Configure the Web User Accounts (see Configuring the Web User Accounts). Configure the Web & Telnet Access List (see Configuring the Web and Telnet AccessList). Configure the Firewall Settings (see Configuring the Firewall Settings). Configure the Certificates (see Configuring the Certificates). Configure the General Security Settings. Configure the IPSec Table (see IPSec Configuration). Configure the IKE Table (see IKE Configuration).Configuring the Web User AccountsTo prevent unauthorized access to the Embedded Web Server, two user accounts areavailable, a primary and secondary. Each account is composed of three attributes:username, password and access level. For detailed information on the user accountmechanism, see User Accounts.It is recommended that you change the default username and password of the account youuse to access the Embedded Web Server.To change the Web User Accounts attributes:1 Open the ‘Web User Accounts’ screen (Advanced Configuration menu > SecuritySettings > Web User Accounts option); the ‘Web User Accounts’ screen is displayed.