8.2.2.2 Protocol ................................................................................................................. 100
8.2.3 Safety ....................................................................................................................... 101
8.2.3.1 Authentication ....................................................................................................... 101
8.2.3.2 IP Address Filter .................................................................................................... 101
8.2.3.3 Security service ..................................................................................................... 103
8.2.4 Manage users .......................................................................................................... 104
8.3 Network ................................................................................................................................. 105
8.3.1 TCP/IP ...................................................................................................................... 105
8.3.2 DDNS ....................................................................................................................... 106
8.3.3 Port........................................................................................................................... 107
8.3.4 NAT .......................................................................................................................... 108
8.3.5 Multicast ................................................................................................................... 109
8.3.6 SNMP ....................................................................................................................... 109
8.3.7 FTP .......................................................................................................................... 110
8.3.8 E-mail ....................................................................................................................... 111
8.3.10 HTTPS ................................................................................................................... 113
8.3.11 QoS ........................................................................................................................ 113
8.3.14 Network Service ..................................................................................................... 114
8.3.15 Alarm server ........................................................................................................... 114
8.3.16 SRTP ...................................................................................................................... 114
8.3.17 Other ...................................................................................................................... 114
8.4 Video & Audio ....................................................................................................................... 115
8.4.2 Audio ........................................................................................................................ 116
8.5 Image ..................................................................................................................................... 117
8.5.3 OSD settings ............................................................................................................ 121
8.5.5 Image Overlay .......................................................................................................... 122
78