We are having an issue with FMB devices which they repeatedly send the same buffer data as per the listener log below. The device keeps opening new connections and sending the same buffer data repeatedly.
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2020-08-24 19:31:57 - Channel ID: 8e70e17a Incoming => 00000000000000AB080200000173E77183B801FEAB7F831EE86B4B00000000000000F00E04EF00F001150301000642322918000011000D12006C13FC180F000002C7000000001000E2AD2E020B00000000354FDBEA0E00000001A77B367200000173E771D9BC01FEAB2C0C1EE87B1D001D0117050004010E04EF00F001150301010642353018000411FFFB12006913FC0E0F000002C7000000001000E2AD2E020B00000000354FDBEA0E00000001A77B3672020000A2EC
2020-08-24 19:31:57 - {"codec":8,"readableBytes":183,"dataLength":171,"count":2}
2020-08-24 19:31:57 - Count: 2 => writing: 0x00000002 (2)
GpsBean{op='loc', imei='352094081469592', protocol='teltonikafm', protocolVersion='', ip='83.137.6.242', port='11898', loc_valid='0', lat='51.8548299', lng='-2.2315133', speed='0', dt_tracker='2020-08-13 10:50:43', params='gpslev=0|acc=0|io239=0|move=1|gsmlev=3|di1=0|accv=12841|io24=0|io17=13|io18=108|io19=-1000|eco=0|io199=0|odor=14855|io11=894426090|io14=7104837234|autogeo=-1|', event='', altitude='0', angle='0', keyword='8'}
GpsBean{op='loc', imei='352094081469592', protocol='teltonikafm', protocolVersion='', ip='83.137.6.242', port='11898', loc_valid='1', lat='51.8552349', lng='-2.23365', speed='4', dt_tracker='2020-08-13 10:51:05', params='gpslev=5|acc=0|io239=0|move=1|gsmlev=3|di1=1|accv=13616|io24=4|io17=-5|io18=105|io19=-1010|eco=0|io199=0|odor=14855|io11=894426090|io14=7104837234|autogeo=-1|', event='', altitude='29', angle='279', keyword='8'}
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2020-08-24 19:32:04 - New connection, Connection ID: 12b8b6f2 Remote Port: 27833
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2020-08-24 19:32:04 - Channel ID: 12b8b6f2 Incoming => 000F333532303934303831343639353932
2020-08-24 19:32:04 - {"readableBytes":17}
2020-08-24 19:32:04 - Imei: 352094081469592 => writing 0x01
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2020-08-24 19:32:05 - Channel ID: 12b8b6f2 Incoming => 00000000000000AB080200000173E77183B801FEAB7F831EE86B4B00000000000000F00E04EF00F001150301000642322918000011000D12006C13FC180F000002C7000000001000E2AD2E020B00000000354FDBEA0E00000001A77B367200000173E771D9BC01FEAB2C0C1EE87B1D001D0117050004010E04EF00F001150301010642353018000411FFFB12006913FC0E0F000002C7000000001000E2AD2E020B00000000354FDBEA0E00000001A77B3672020000A2EC
2020-08-24 19:32:05 - {"codec":8,"readableBytes":183,"dataLength":171,"count":2}
2020-08-24 19:32:05 - Count: 2 => writing: 0x00000002 (2)
GpsBean{op='loc', imei='352094081469592', protocol='teltonikafm', protocolVersion='', ip='83.137.6.242', port='11898', loc_valid='0', lat='51.8548299', lng='-2.2315133', speed='0', dt_tracker='2020-08-13 10:50:43', params='gpslev=0|acc=0|io239=0|move=1|gsmlev=3|di1=0|accv=12841|io24=0|io17=13|io18=108|io19=-1000|eco=0|io199=0|odor=14855|io11=894426090|io14=7104837234|autogeo=-1|', event='', altitude='0', angle='0', keyword='8'}
GpsBean{op='loc', imei='352094081469592', protocol='teltonikafm', protocolVersion='', ip='83.137.6.242', port='11898', loc_valid='1', lat='51.8552349', lng='-2.23365', speed='4', dt_tracker='2020-08-13 10:51:05', params='gpslev=5|acc=0|io239=0|move=1|gsmlev=3|di1=1|accv=13616|io24=4|io17=-5|io18=105|io19=-1010|eco=0|io199=0|odor=14855|io11=894426090|io14=7104837234|autogeo=-1|', event='', altitude='29', angle='279', keyword='8'}
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2020-08-24 19:32:12 - New connection, Connection ID: 51ad692d Remote Port: 27834
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2020-08-24 19:32:12 - Channel ID: 51ad692d Incoming => 000F333532303934303831343639353932
2020-08-24 19:32:12 - {"readableBytes":17}
2020-08-24 19:32:12 - Imei: 352094081469592 => writing 0x01
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2020-08-24 19:32:12 - Channel ID: 51ad692d Incoming => 00000000000000AB080200000173E77183B801FEAB7F831EE86B4B00000000000000F00E04EF00F001150301000642322918000011000D12006C13FC180F000002C7000000001000E2AD2E020B00000000354FDBEA0E00000001A77B367200000173E771D9BC01FEAB2C0C1EE87B1D001D0117050004010E04EF00F001150301010642353018000411FFFB12006913FC0E0F000002C7000000001000E2AD2E020B00000000354FDBEA0E00000001A77B3672020000A2EC
2020-08-24 19:32:12 - {"codec":8,"readableBytes":183,"dataLength":171,"count":2}
2020-08-24 19:32:12 - Count: 2 => writing: 0x00000002 (2)
GpsBean{op='loc', imei='352094081469592', protocol='teltonikafm', protocolVersion='', ip='83.137.6.242', port='11898', loc_valid='0', lat='51.8548299', lng='-2.2315133', speed='0', dt_tracker='2020-08-13 10:50:43', params='gpslev=0|acc=0|io239=0|move=1|gsmlev=3|di1=0|accv=12841|io24=0|io17=13|io18=108|io19=-1000|eco=0|io199=0|odor=14855|io11=894426090|io14=7104837234|autogeo=-1|', event='', altitude='0', angle='0', keyword='8'}
GpsBean{op='loc', imei='352094081469592', protocol='teltonikafm', protocolVersion='', ip='83.137.6.242', port='11898', loc_valid='1', lat='51.8552349', lng='-2.23365', speed='4', dt_tracker='2020-08-13 10:51:05', params='gpslev=5|acc=0|io239=0|move=1|gsmlev=3|di1=1|accv=13616|io24=4|io17=-5|io18=105|io19=-1010|eco=0|io199=0|odor=14855|io11=894426090|io14=7104837234|autogeo=-1|', event='', altitude='29', angle='279', keyword='8'}
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2020-08-24 19:32:19 - Disconnected, Connection ID: 8e70e17a
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2020-08-24 19:32:20 - New connection, Connection ID: 17c90846 Remote Port: 27835
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2020-08-24 19:32:20 - Channel ID: 17c90846 Incoming => 000F333532303934303831343639353932
2020-08-24 19:32:20 - {"readableBytes":17}
2020-08-24 19:32:20 - Imei: 352094081469592 => writing 0x01
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2020-08-24 19:32:20 - Channel ID: 17c90846 Incoming => 00000000000000AB080200000173E77183B801FEAB7F831EE86B4B00000000000000F00E04EF00F001150301000642322918000011000D12006C13FC180F000002C7000000001000E2AD2E020B00000000354FDBEA0E00000001A77B367200000173E771D9BC01FEAB2C0C1EE87B1D001D0117050004010E04EF00F001150301010642353018000411FFFB12006913FC0E0F000002C7000000001000E2AD2E020B00000000354FDBEA0E00000001A77B3672020000A2EC
2020-08-24 19:32:20 - {"codec":8,"readableBytes":183,"dataLength":171,"count":2}
2020-08-24 19:32:20 - Count: 2 => writing: 0x00000002 (2)
GpsBean{op='loc', imei='352094081469592', protocol='teltonikafm', protocolVersion='', ip='83.137.6.242', port='11898', loc_valid='0', lat='51.8548299', lng='-2.2315133', speed='0', dt_tracker='2020-08-13 10:50:43', params='gpslev=0|acc=0|io239=0|move=1|gsmlev=3|di1=0|accv=12841|io24=0|io17=13|io18=108|io19=-1000|eco=0|io199=0|odor=14855|io11=894426090|io14=7104837234|autogeo=-1|', event='', altitude='0', angle='0', keyword='8'}
GpsBean{op='loc', imei='352094081469592', protocol='teltonikafm', protocolVersion='', ip='83.137.6.242', port='11898', loc_valid='1', lat='51.8552349', lng='-2.23365', speed='4', dt_tracker='2020-08-13 10:51:05', params='gpslev=5|acc=0|io239=0|move=1|gsmlev=3|di1=1|accv=13616|io24=4|io17=-5|io18=105|io19=-1010|eco=0|io199=0|odor=14855|io11=894426090|io14=7104837234|autogeo=-1|', event='', altitude='29', angle='279', keyword='8'}
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2020-08-24 19:32:23 - Disconnected, Connection ID: 12b8b6f2
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2020-08-24 19:32:28 - New connection, Connection ID: eeb8eecb Remote Port: 27836