Modeme mi sızıyorlar

Merhaba arkadaşlar,

1-2 haftadır modemin log kayıtlarında aşağıdaki alertler gözükmektedir, yaptığım işlemler şu şekildedir:
Modem reset ve daha güçlü şifre,
PC format,
Antivirüs satın alma (Kaspersky Premium),
Ama hiçbir sonuç elde edemedim,

Log kayıtları şu şekilde:

Dpt = 57077 len = 1480 mark = 0x8000000.
2024-11-28 21:27:04 [attack] kern. Alert kernel: UDP port scan attack: In = PPP1 out= Mac= src=51.68.206.121 dst=10.105.119.77 len = 1500 tos = 0x00 prec = 0x00 ttl = 48 ID = 0 proto = UDP spt = 443.
Len = 1480 mark = 0x8000000.
2024-11-28 21:27:04 [attack] kern. Alert kernel: Udp_floodıng attack: In = PPP1 out= Mac= src=51.68.206.121 dst=10.105.119.77 len = 1500 tos = 0x00 prec = 0x00 ttl = 48 ID = 0 proto = UDP spt = 443 dpt = 57077.
2024-11-29 17:07:23 [attack] kern. Alert kernel: UDP port scan attack: In = PPP1 out= Mac= src=156.146.52.30 dst=10.105.119.77 len = 1499.
Dpt = 57140 len = 1479 mark = 0x8000000.
Tos = 0x00 prec = 0x00 ttl = 56 ID = 0 proto = UDP spt = 443.
Len = 1479 mark = 0x8000000.
2024-11-29 17:07:23 [attack] kern. Alert kernel: Udp_floodıng attack: In = PPP1 out= Mac= src=156.146.52.30 dst=10.105.119.77 len = 1499 tos = 0x00 prec = 0x80 ttl = 56 ID = 0 proto = UDP spt = 443 dpt = 57140.
2024-11-29 17:08:23 [attack] kern. Alert kernel: UDP port scan attack: In = PPP1 out= Mac= src=156.146.52.30 dst=10.105.119.77 len = 1498 tos = 0x00 prec = 0x00 ttl = 56 ID = 0 proto = UDP spt = 443.
Dpt = 57140 len = 1478 mark = 0x8000000.
2024-11-29 17:08:37 [attack] kern. Alert kernel: Udp_floodıng attack: In = PPP1 out= Mac= src=156.146.52.30 dst=10.105.119.77 len = 1498 tos = 0x00 prec = 0x00 ttl = 56 ID = 0 proto = UDP spt = 443 dpt = 57140.
Len = 1478 mark = 0x8000000.
2024-11-29 17:09:23 [attack] kern. Alert kernel: UDP port scan attack: In = PPP1 out= Mac= src=156.146.52.30 dst=10.105.119.77 len = 1499 tos = 0x00 prec = 0x00 ttl = 56 ID = 0 proto = UDP spt = 443.
Dpt = 57140 len = 1479 mark = 0x8000000.
2024-11-29 17:10:23 [attack] kern. Alert kernel: UDP port scan attack: In = PPP1 out= Mac= src=156.146.52.30 dst=10.105.119.77 len = 1499 tos = 0x00 prec = 0x00 ttl = 56 ID=® proto = UDP spt = 443.
Dpt = 57140 len = 1479 mark = 0x8000000.
2024-11-29 17:11:23 [attack] kern. Alert kernel: UDP port scan attack: In = PPP1 out= Mac= src=156.146.52.30 dst=10.105.119.77 len = 1499 tos = 0x00 prec = 0x00 ttl = 56 ID = 0 proto UDP spt = 443.
Dpt = 57140 len = 1479 mark = 0x8000000.
2024-11-29 17:16:07 [attack] kern. Alert kernel: UDP port scan attack: In = PPP1 out= Mac= src=156.146.52.30 dst=10.105.119.77 len = 1499.
Dpt = 61263 len = 1479 mark = 0x8000000.
2024-11-29 17:16:40 [attack] kern. Alert kernel: Udp_floodıng attack: In = PPP1 out= Mac= src=156.146.52.30 dst=10.105.119.77 len = 1498 tos = 0x00 prec = 0x00 ttl = 55 ID = 0 proto = UDP spt = 443 dpt = 61263.
Len = 1479 mark = 0x8000000.
2024-11-29 17:17:07 [attack] kern. Alert kernel: UDP port scan attack: In = PPP1 out= Mac= src=156.146.52.30 dst=10.105.119.77 len = 1499 tos = 0x00.
Dpt = 61263 len = 1478 mark = 0x8000000.
2024-11-29 17:18:08 [attack] kern. Alert kernel: UDP port scan attack: In = PPP1 out = Mac= src=156.146.52.30 dst=10.105.119.77 len = 1499 tos = 0x00 prec = 0x00 ttl = 55 ID = 0 proto = UDP spt = 443.
Tos = 0x00 prec = 0x00 ttl = 55 ID = 0 proto = UDP spt = 443.
Prec = 0x00 ttl = 55 ID = 0 proto = UDP spt = 443.
Dpt = 61263 len = 1478 mark = 0x8000000.
2024-11-29 17:18:47 [attack] kern. Alert kernel: Udp_floodıng attack: In = PPP1 out= Mac= src=156.146.52.30 dst=10.105.119.77 len = 1497 tos = 0x00 prec = 0x00 ttl = 55 ID = 0 proto = UDP spt = 443 dpt = 61263.
Len = 1479 mark = 0x8000000.
2024-11-29 17:19:08 [attack] kern. Alert kernel: UDP port scan attack: In = PPP1 out= Mac= src=156.146.52.30 dst=10.105.119.77 len = 1499 tos = 0x00 prec = 0x00 ttl = 55 ID = 0 proto = UDP spt = 443.
Dpt = 61263 len = 1479 mark = 0x8000000.

Modem zyxcel DX3200-BO

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