v4.8.2.4 DDNS .........................................................................................................................1484.8.2.5 IP filter ........................................................................................................................1504.8.2.6 Email...........................................................................................................................1504.8.2.7 FTP .............................................................................................................................1524.8.2.8 UPnP ..........................................................................................................................1524.8.2.9 SNMP .........................................................................................................................1534.8.2.10 Multicast .....................................................................................................................1544.8.2.11 Register......................................................................................................................1544.8.2.12 Alarm Centre .............................................................................................................1554.8.2.13 HTTPS .......................................................................................................................1564.8.2.13.1 Create Server Certificate .........................................................................................1564.8.2.13.2 Download root certificate ........................................................................................1574.8.2.13.3 View and set HTTPS port .......................................................................................1594.8.2.13.4 Login .......................................................................................................................1604.8.3 Event ...................................................................................................................................1604.8.3.1 Video detect ..............................................................................................................1604.8.3.1.1 Motion Detect ...........................................................................................................1604.8.3.1.2 Video Loss ................................................................................................................1644.8.3.1.3 Tampering .................................................................................................................1654.8.3.1.4 Video diagnosis .........................................................................................................1654.8.3.2 Face Detect ...............................................................................................................1664.8.3.3 Audio Detect ..............................................................................................................1674.8.3.4 Alarm ..........................................................................................................................1684.8.3.4.1 Local Alarm ..............................................................................................................1684.8.3.4.2 Net Alarm ..................................................................................................................1714.8.3.4.3 IPC external alarm ....................................................................................................1724.8.3.4.4 IPC Offline Alarm .....................................................................................................1724.8.3.5 Abnormality ...............................................................................................................1734.8.3.6 Alarm Output .............................................................................................................1754.8.4 Storage ................................................................................................................................1754.8.4.1 Schedule ....................................................................................................................1754.8.4.2 HDD Manager ...........................................................................................................1774.8.4.3 Record Control ..........................................................................................................1784.8.4.4 Advanced ...................................................................................................................1794.8.4.4.1 HDD ..........................................................................................................................1794.8.4.4.2 Main Stream ..............................................................................................................1794.8.4.4.3 Sub Stream ................................................................................................................1794.8.4.4.4 Snapshot ....................................................................................................................1804.8.4.5 RAID Manager ..........................................................................................................1804.8.4.5.1 RAID Config .............................................................................................................1804.8.4.5.2 RAID Info .................................................................................................................1814.8.4.5.3 Hotspare disks ...........................................................................................................1814.8.4.6 iSCSI ..........................................................................................................................1824.8.5 Setting .................................................................................................................................1844.8.5.1 General ......................................................................................................................1844.8.5.1.1 General ......................................................................................................................184