Can anyone explain to me what the nat and dmz thing mean or the virtual server
2022-06-06 03:24:31 upnp[1689]: <6> 217504 Service start
2022-06-06 03:24:31 upnp[1689]: <6> 217505 Service stop
2022-06-06 03:24:30 remote-management[1381]: <6> 282505 Service stop
2022-06-06 03:24:23 nat[445]: <5> 211053 The address 192.168.0.185 will be DMZ host
2022-06-06 03:24:23 nat[445]: <6> 211023 DMZ enabled
2022-06-06 03:24:22 nat[445]: <5> 211054 Virtual server created succeeded[ex-port:23 ip:192.168.0.185 in-port:23 protocol:tcp]
2022-06-06 03:24:21 led-controller[1093]: <6> 288051 Start to run WAN1_ON
2022-06-06 03:24:21 led-controller[1093]: <6> 288051 Start to run WAN0_OFF
2022-06-06 03:24:21 led-controller[1093]: <6> 288051 Start to run LAN_OFF
2022-06-06 03:24:20 nat[445]: <6> 211501 Initialization succeeded
2022-06-06 03:24:20 nat[445]: <6> 211501 Initialization succeeded
2022-06-06 03:24:17 led-controller[1093]: <6> 288051 Start to run WAN1_OFF
2022-06-06 03:24:17 led-controller[1093]: <6> 288051 Start to run WAN0_ON
2022-06-06 03:24:17 led-controller[1093]: <6> 288051 Start to run LAN_OFF
2022-06-06 03:24:11 nat[32187]: <6> 211501 Initialization succeeded
2022-06-06 03:24:10 nat[32187]: <6> 211501 Initialization succeeded
2022-06-06 03:24:09 led-controller[1093]: <6> 288051 Start to run WAN1_OFF
2022-06-06 03:24:09 led-controller[1093]: <6> 288051 Start to run WAN0_OFF
2022-06-06 03:24:09 led-controller[1093]: <6> 288051 Start to run LAN_OFF
2022-06-06 03:23:06 led-controller[1093]: <6> 288051 Start to run WAN1_ON
2022-06-06 03:23:06 led-controller[1093]: <6> 288051 Start to run WAN0_OFF
2022-06-06 03:23:06 led-controller[1093]: <6> 288051 Start to run LAN_OFF
2022-06-06 03:22:59 upnp[30348]: <6> 217504 Service start
2022-06-06 03:22:59 upnp[30348]: <6> 217505 Service stop
2022-06-06 03:22:58 remote-management[30039]: <6> 282505 Service stop
2022-06-06 03:22:52 nat[29155]: <5> 211053 The address 192.168.0.185 will be DMZ host
2022-06-06 03:22:51 nat[29155]: <6> 211023 DMZ enabled
2022-06-06 03:22:51 nat[29155]: <5> 211054 Virtual server created succeeded[ex-port:23 ip:192.168.0.185 in-port:23 protocol:tcp]
2022-06-06 03:22:49 nat[29155]: <6> 211501 Initialization succeeded
2022-06-06 03:22:48 nat[29155]: <6> 211501 Initialization succeeded
2022-06-06 03:22:45 led-controller[1093]: <6> 288051 Start to run WAN1_OFF
2022-06-06 03:22:45 led-controller[1093]: <6> 288051 Start to run WAN0_ON
2022-06-06 03:22:45 led-controller[1093]: <6> 288051 Start to run LAN_OFF
2022-06-06 03:22:39 nat[28364]: <6> 211501 Initialization succeeded
2022-06-06 03:22:39 led-controller[1093]: <6> 288051 Start to run WAN1_OFF
2022-06-06 03:22:39 led-controller[1093]: <6> 288051 Start to run WAN0_OFF
2022-06-06 03:22:39 led-controller[1093]: <6> 288051 Start to run LAN_OFF
2022-06-06 03:22:39 nat[28364