Why my teltonika fmb920 (port 5027, is open) give me that response in logs?

Nurbeka year ago

Why my teltonika fmb920 (port 5027, is open) give me that response in logs?

2023-11-09 01:02:56  INFO: [Te117de75] connected
2023-11-09 01:03:05  INFO: [Te117de75] disconnected
2023-11-09 01:03:38  INFO: [Te3a1bb1d] connected
2023-11-09 01:03:38  INFO: [Te3a1bb1d] disconnected
2023-11-09 01:03:42  INFO: [T32696c48] connected
2023-11-09 01:03:42  INFO: [T32696c48] disconnected
2023-11-09 01:03:43  INFO: [Tedc4b256] connected
2023-11-09 01:03:43  INFO: [Tedc4b256] disconnected
2023-11-09 01:14:30  INFO: [T537084d0] connected
2023-11-09 01:14:30  INFO: [T537084d0] disconnected
Nurbeka year ago

2023-11-09 01:22:02 INFO: [T3635d68f: meitrack < 146.190.64.200] 16030100ea010000e60303d87bd06ac9b650631f741e4586f3e28f17a63f1ef9b37644fdb08b66475d48ed206b03aa0ee9959a96f6ed2ffc0bbd5657a9da2db69848ce6dc35537d2ef700b210026c02bc02fc02cc030cca9cca8c009c013c00ac014009c009d002f0035c012000a13011302130301000077000500050100000000000a000a0008001d001700180019000b00020100000d001a0018080404030807080508060401050106010503060302010203ff0100010000120000002b00050403040303003300260024001d0020ba71a7864f0272ca644d4459ef3b5c91fb699fde223bdd25f53a526bd7a50c58
2023-11-09 01:22:02 INFO: [T3635d68f] error - For input string: "êæØ{ÐjɶPctE†ó⏦?ù³vDý°‹fG]Hí kªé•š–öí/ü
½VW©Ú-¶˜HÎmÃU7Òïp
!&À+À/À" - NumberFormatException (... < MeitrackFrameDecoder:37 < BaseFrameDecoder:29 < ... < WrapperInboundHandler:57 < ...)
2023-11-09 01:22:02 INFO: [T3635d68f] disconnected
2023-11-09 01:22:02 INFO: [T3635d68f] error - For input string: "êæØ{ÐjɶPctE†ó⏦?ù³vDý°‹fG]Hí kªé•š–öí/ü
½VW©Ú-¶˜HÎmÃU7Òïp
!&À+À/À" - NumberFormatException (... < MeitrackFrameDecoder:37 < BaseFrameDecoder:29 < ... < WrapperInboundHandler:50 < ...)
2023-11-09 01:22:03 INFO: [Ta57aa4d5] connected
2023-11-09 01:22:03 INFO: [Ta57aa4d5: meitrack < 146.190.64.200] 474554202f20485454502f312e310d0a436f6e6e656374696f6e3a20636c6f73650d0a486f73743a203139352e3231302e34372e3131350d0a0d0a48454c500d0a45484c4f20333133393335326533323331333032653334333732653331333133352e6e65740d0a3f0d0a0d0a
2023-11-09 01:22:12 INFO: [Ta57aa4d5] error - Connection reset - SocketException (...)
2023-11-09 01:22:12 INFO: [Ta57aa4d5] disconnected
2023-11-09 01:26:19 INFO: [T610018bb] connected
2023-11-09 01:26:29 INFO: [T610018bb] disconnected

Nurbeka year ago

I solve the problem)