Ik zie bij systeemlogboek/veiligheidslogboek deze melding staan,moet ik hier maatregelen voor nemen.
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Veiligheidslogboek
Alle beveiligingsgebeurtenissen worden geregistreerd en weergegeven in de volgende tabel. Selecteer een niveau in het pull-down menu om gefilterde resultaten weer te geven.
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# Tijd Faciliteit Niveau Categorie Berichten
1 Juli 21 08:12:18 kern alert aanvallen kernel: UDP PORT SCAN ATTACK:IN=eth0.6 OUT= MAC=D4:1a:D1:85:A2:73:00:0E:00:00:00:01:08:00:45:00:00:E1:93:67:40:00:38:11:01:B3:62:62:93:17 SRC=98.98.147.23 DST=31.187.151.189 LEN=225 TOS=0x00 PREC=0x00 TTL=56 ID=37735 DF PROTO=UDP SPT=7902 DPT=62674 LEN=205 MARK=0x8000000
2 Juli 21 07:41:54 kern alert aanvallen kernel: UDP PORT SCAN ATTACK:IN=eth0.6 OUT= MAC=D4:1a:D1:85:A2:73:00:0e:00:00:00:01:08:00:45:00:00:E1:DD:97:40:00:38:11:B7:82:62:62:93:17 SRC=98.98.147.23 DST=31.187.151.189 LEN=225 TOS=0x00 PREC=0x00 TTL=56 ID=56727 DF PROTO=UDP SPT=8630 DPT=62672 LEN=205 MARK=0x8000000
3 Juli 21 07:20:58 kern alert aanvallen kernel: UDP PORT SCAN ATTACK:IN=eth0.6 OUT= MAC=D4:1a:D1:85:A2:73:00:0e:00:00:00:01:08:00:45:00:05:DC:00:00:40:00:04:11:B7:93:B9:75:48:90 SRC=185.117.72.144 DST=31.187.151.189 LEN=1500 TOS=0x00 PREC=0x00 TTL=4 ID=0 DF PROTO=UDP SPT=46583 DPT=36214 LEN=1480 MARK=0x8000000
4 Juli 21 07:11:30 kern alert aanvallen kernel: UDP PORT SCAN ATTACK:IN=eth0.6 OUT= MAC=D4:1a:D1:85:A2:73:00:0E:00:00:00:01:08:00:45:00:00:E1:47:FA:40:00:37:11:4E:20:62:62:93:17 SRC=98.98.147.23 DST=31.187.151.189 LEN=225 TOS=0x00 PREC=0x00 TTL=55 ID=18426 DF PROTO=UDP SPT=17778 DPT=62669 LEN=205 MARK=0x8000000
5 Juli 21 07:05:29 kern alert aanvallen kernel: UDP PORT SCAN ATTACK:IN=eth0.6 OUT= MAC=D4:1a:d1:85:a2:73:00:0e:00:00:00:01:08:00:45:00:05:dc:00:00:40:00:05:11:b6:93:b9:75:48:90 SRC=185.117.72.144 DST=31.187.151.189 LEN=1500 TOS=0x00 PREC=0x00 TTL=5 ID=0 DF PROTO=UDP SPT=41848 DPT=40012 LEN=1480 MARK=0x8000000
6 Juli 21 06:41:14 kern alert aanvallen kernel: UDP PORT SCAN ATTACK:IN=eth0.6 OUT= MAC=D4:1a:D1:85:A2:73:00:0E:00:00:00:01:08:00:45:00:00:E1:DB:AE:40:00:37:11:BA:6B:62:62:93:17 SRC=98.98.147.23 DST=31.187.151.189 LEN=225 TOS=0x00 PREC=0x00 TTL=55 ID=56238 DF PROTO=UDP SPT=27479 DPT=62667 LEN=205 MARK=0x8000000
7 Juli 21 06:10:49 kern alert aanvallen kernel: UDP PORT SCAN ATTACK:IN=eth0.6 OUT= MAC=D4:1a:D1:85:A2:73:00:0e:00:00:00:01:08:00:45:00:00:E1:45:A3:40:00:38:11:4f:77:62:62:93:17 SRC=98.98.147.23 DST=31.187.151.189 LEN=225 TOS=0x00 PREC=0x00 TTL=56 ID=17827 DF PROTO=UDP SPT=9884 DPT=62666 LEN=205 MARK=0x8000000
8 Juli 21 05:40:36 kern alert aanvallen kernel: UDP PORT SCAN ATTACK:IN=eth0.6 OUT= MAC=D4:1a:D1:85:A2:73:00:0e:00:00:00:01:08:00:45:00:00:E1:AA:E1:40:00:37:11:EB:38:62:62:93:17 SRC=98.98.147.23 DST=31.187.151.189 LEN=225 TOS=0x00 PREC=0x00 TTL=55 ID=43745 DF PROTO=UDP SPT=59459 DPT=62664 LEN=205 MARK=0x8000000
9 Juli 21 05:10:11 kern alert aanvallen kernel: UDP PORT SCAN ATTACK:IN=eth0.6 OUT= MAC=D4:1a:D1:85:A2:73:00:0E:00:00:00:01:08:00:45:00:00:E1:33:32:40:00:37:11:62:E8:62:62:93:17 SRC=98.98.147.23 DST=31.187.151.189 LEN=225 TOS=0x00 PREC=0x00 TTL=55 ID=13106 DF PROTO=UDP SPT=47753 DPT=62662 LEN=205 MARK=0x8000000
10 Juli 21 04:48:27 kern alert aanvallen kernel: UDP_FLOODING AANVAL:IN=eth0.6 OUT= MAC=D4:1a:d1:85:a2:73:00:0e:00:00:00:01:08:00:45:00:00:38:c5:04:40:00:38:11:d062:62:93:18 SRC=98.98.147.24 DST=31.187.151.189 LEN=56 TOS=0x00 PREC=0x00 TTL=56 ID=50436 DF PROTO=UDP SPT=30002 DPT=29286 LEN=36 MARK=0x8000000
11 Juli 21 04:39:48 kern alert aanvallen kernel: UDP PORT SCAN ATTACK:IN=eth0.6 OUT= MAC=D4:1a:D1:85:A2:73:00:0e:00:00:00:01:08:00:45:00:00:e1:9c:bc:40:00:38:11:f8:5d:62:62:93:17 SRC=98.98.147.23 DST=31.187.151.189 LEN=225 TOS=0x00 PREC=0x00 TTL=56 ID=40124 DF PROTO=UDP SPT=22750 DPT=62660 LEN=205 MARK=0x8000000
12 Juli 21 04:33:50 kern alert aanvallen kernel: UDP_FLOODING AANVAL:IN=eth0.6 OUT= MAC=D4:1a:d1:85:a2:73:00:0e:00:00:00:01:08:00:45:00:00:38:83:80:40:00:38:11:ff:37:94:99:73:eb SRC=148.153.115.235 DST=31.187.151.189 LEN=56 TOS=0x00 PREC=0x00 TTL=56 ID=33664 DF PROTO=UDP SPT=30002 DPT=29286 LEN=36 MARK=0x8000000
13 Juli 21 04:30:16 kern alert aanvallen kernel: TCP PORT SCAN ATTACK:IN=eth0.6 OUT= MAC=D4:1A:D1:85:A2:73:00:0E:00:00:00:01:08:00:45:00:00:00:3C:63:80:40:00:30:06:27:B4:9F:C0:68:4F SRC=159.192.104.79 DST=31.187.151.189 LEN=60 TOS=0x00 PREC=0x00 TTL=48 ID=25472 DF PROTO=TCP SPT=53091 DPT=21535 WINDOW=0 RES=0x00 URG ACK PSH RST SYN FIN URGP=42018 MARK=0x8000000
14 Juli 21 04:09:30 kern alert aanvallen kernel: UDP PORT SCAN ATTACK:IN=eth0.6 OUT= MAC=D4:1a:D1:85:A2:73:00:0E:00:00:00:01:08:00:45:00:00:E1:E1:E2:40:00:38:11:B3:37:62:62:93:17 SRC=98.98.147.23 DST=31.187.151.189 LEN=225 TOS=0x00 PREC=0x00 TTL=56 ID=57826 DF PROTO=UDP SPT=25599 DPT=62659 LEN=205 MARK=0x800