User manual

IPSec Failover ...................................................................................................238
IPSec Troubleshooting ......................................................................................247
Port Tunnels ......................................................................................................250
6. USB........................................................................................................254
USB Mass Storage Devices ..............................................................................254
USB Printers......................................................................................................261
Printer Troubleshooting .....................................................................................267
USB Network Devices and Modems..................................................................268
7. System...................................................................................................269
Date and Time ...................................................................................................269
Backup/Restore Configuration...........................................................................271
Users .................................................................................................................274
Management......................................................................................................279
Diagnostics ........................................................................................................282
Advanced...........................................................................................................286
Reboot and Reset..............................................................................................286
Flash upgrade....................................................................................................287
Configuration Files.............................................................................................289
Support ..............................................................................................................290
Appendix A – Terminology...........................................................................292
Appendix B – System Log............................................................................299
Access Logging .................................................................................................299
Creating Custom Log Rules...............................................................................301
Rate Limiting......................................................................................................304
Administrative Access Logging..........................................................................305
Boot Log Messages...........................................................................................305
Appendix C – Firmware Upgrade Practices and Precautions ...................306
Appendix D – Recovering From a Failed Upgrade.....................................308
Appendix E – System Clock.........................................................................312
Appendix F – Null Modem Administration ..................................................313
Appendix G – Command Line Interface (CLI) .............................................315