5.12.3.3 Creating Hot Spare Disk ............................................................................................................................ 360

5.12.4 Disk Group .................................................................................................................................................................. 361

5.12.5 Disk Quota .................................................................................................................................................................. 362

5.12.6 Disk Check .................................................................................................................................................................. 363

5.12.6.1 Manual Check ................................................................................................................................................. 363

5.12.6.2 Detection Report .......................................................................................................................................... 364

5.12.6.3 Disk Health Monitoring ............................................................................................................................. 366

5.12.7 Record Estimate ....................................................................................................................................................... 367

5.12.7.1 Calculating Recording Time .................................................................................................................... 369

5.12.7.2 Calculating HDD Capacity for Storage .............................................................................................. 369

5.12.8 FTP .................................................................................................................................................................................. 370

5.12.9 iSCSI ............................................................................................................................................................................... 372

5.13 Account ................................................................................................................................................................................... 373

5.13.1 Group ............................................................................................................................................................................ 373

5.13.2 User ................................................................................................................................................................................ 375

5.13.2.1 Adding User .................................................................................................................................................... 375

5.13.2.2 Changing Password .................................................................................................................................... 377

5.13.3 Resetting Password ................................................................................................................................................ 378

5.13.3.1 Enabling Password Reset ......................................................................................................................... 378

5.13.3.2 Resetting Password on Local Page ...................................................................................................... 378

5.13.4 ONVIF User ................................................................................................................................................................. 383

5.14 Security ................................................................................................................................................................................... 384

5.14.1 Security Status .......................................................................................................................................................... 384

5.14.2 System Service .......................................................................................................................................................... 386

5.14.2.1 Basic Services ................................................................................................................................................. 386

5.14.2.2 802.1x ................................................................................................................................................................. 388

5.14.2.3 HTTPS ................................................................................................................................................................. 389

5.14.3 Attack Defense ......................................................................................................................................................... 390

5.14.3.1 Firewall .............................................................................................................................................................. 390

5.14.3.2 Account Lockout ........................................................................................................................................... 391

5.14.3.3 Anti-DoS Attack ............................................................................................................................................. 391

5.14.3.4 Sync Time-Allowlist ..................................................................................................................................... 392

5.14.4 CA Certificate ............................................................................................................................................................ 394

5.14.4.1 Device Certificate ......................................................................................................................................... 394

5.14.4.2 Trusted CA Certificate ................................................................................................................................ 396

5.14.5 Audio/Video Encryption ...................................................................................................................................... 397

5.14.6 Security Warning ..................................................................................................................................................... 399

XVII

User's Manual

Table of Contents