{imgicourl}{zamok}
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08 2018
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, , .

: - ( Xiaomi Mi Philips Eyecare Smart Lamp 2).

, ( 3000 ). : Mi-home, ( ), . - . , , . , ;) , , , . , . , , . . , . , . :

, ( ) 32- c 0+ WiFi. 100$, ESP8266 . , , IP , , 10.8.0.172 ESP-0905CB (- , dhcp -).

, . Mi, - :

#sudotcpdump-n-vv-ibr0net10.8.0.172

13:46:45.725152IP(tos0x0,ttl255,id495,offset0,flags[none],protoUDP(17),length60)10.8.0.172.54321>120.131.15.130.8053:[udpsumok]UDP,length32
13:46:45.941787IP(tos0x0,ttl47,id61421,offset0,flags[DF],protoUDP(17),length60)120.131.15.130.8053>10.8.0.172.54321:[udpsumok]UDP,length32

13:47:00.975581IP(tos0x0,ttl255,id496,offset0,flags[none],protoUDP(17),length60)10.8.0.172.54321>120.131.15.130.8053:[udpsumok]UDP,length32
13:47:01.192115IP(tos0x0,ttl47,id3490,offset0,flags[DF],protoUDP(17),length60)120.131.15.130.8053>10.8.0.172.54321:[udpsumok]UDP,length32

13:47:06.199815ARP,Ethernet(len6),IPv4(len4),Requestwho-has10.8.0.172tell10.8.0.1,length28
13:47:06.259667ARP,Ethernet(len6),IPv4(len4),Reply10.8.0.172is-at78:11:dc:09:08:ce,length28

13:47:16.238874IP(tos0x0,ttl255,id497,offset0,flags[none],protoUDP(17),length60)10.8.0.172.54321>120.131.15.130.8053:[udpsumok]UDP,length32
13:47:16.455341IP(tos0x0,ttl47,id10340,offset0,flags[DF],protoUDP(17),length60)120.131.15.130.8053>10.8.0.172.54321:[udpsumok]UDP,length32

13:47:31.510591IP(tos0x0,ttl255,id498,offset0,flags[none],protoUDP(17),length60)10.8.0.172.54321>120.131.15.130.8053:[udpsumok]UDP,length32
13:47:31.727284IP(tos0x0,ttl47,id18016,offset0,flags[DF],protoUDP(17),length60)120.131.15.130.8053>10.8.0.172.54321:[udpsumok]UDP,length32

13:47:36.729771ARP,Ethernet(len6),IPv4(len4),Requestwho-has10.8.0.172tell10.8.0.1,length28
13:47:36.777096ARP,Ethernet(len6),IPv4(len4),Reply10.8.0.172is-at78:11:dc:09:08:ce,length28

13:47:46.756520IP(tos0x0,ttl255,id499,offset0,flags[none],protoUDP(17),length60)10.8.0.172.54321>120.131.15.130.8053:[udpsumok]UDP,length32
13:47:46.973216IP(tos0x0,ttl47,id24535,offset0,flags[DF],protoUDP(17),length60)120.131.15.130.8053>10.8.0.172.54321:[udpsumok]UDP,length32

13:48:02.018330IP(tos0x0,ttl255,id500,offset0,flags[none],protoUDP(17),length60)10.8.0.172.54321>120.131.15.130.8053:[udpsumok]UDP,length32
13:48:02.234890IP(tos0x0,ttl47,id32240,offset0,flags[DF],protoUDP(17),length60)120.131.15.130.8053>10.8.0.172.54321:[udpsumok]UDP,length32
13:48:07.239761ARP,Ethernet(len6),IPv4(len4),Requestwho-has10.8.0.172
_}

( , , ) , :

13:54:02.774269IP(tos0x0,ttl47,id18602,offset0,flags[DF],protoUDP(17),length220)120.131.15.130.8053>10.8.0.172.54321:[udpsumok]UDP,length192
13:54:02.895747IP(tos0x0,ttl255,id595,offset0,flags[none],protoUDP(17),length124)10.8.0.172.54321>120.131.15.130.8053:[udpsumok]UDP,length96

13:54:05.413343IP(tos0x0,ttl47,id19911,offset0,flags[DF],protoUDP(17),length124)120.131.15.130.8053>10.8.0.172.54321:[udpsumok]UDP,length96
13:54:05.513889IP(tos0x0,ttl255,id596,offset0,flags[none],protoUDP(17),length92)10.8.0.172.54321>120.131.15.130.8053:[udpsumok]UDP,length64
13:54:05.518579IP(tos0x0,ttl255,id597,offset0,flags[none],protoUDP(17),length124)10.8.0.172.54321>120.131.15.130.8053:[udpsumok]UDP,length96
13:54:05.735244IP(tos0x0,ttl47,id19986,offset0,flags[DF],protoUDP(17),length92)120.131.15.130.8053>10.8.0.172.54321:[udpsumok]UDP,length64
13:54:05.829529IP(tos0x0,ttl47,id20019,offset0,flags[DF],protoUDP(17),length124)120.131.15.130.8053>10.8.0.172.54321:[udpsumok]UDP,length96
13:54:05.915266IP(tos0x0,ttl255,id598,offset0,flags[none],protoUDP(17),length92)10.8.0.172.54321>120.131.15.130.8053:[udpsumok]UDP,length64

, UDP, : , - . , , , Nginx . - NAT ( WiFi ), NAT - .

, , TCP/IP, , . - . , . . , , . , , 1, 100$, - ;)

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UPD: , . : , . ( , ). TCP, UDP, TCP-, , . , IPv4 , IPv6, . 20 , 15 , ;)

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