I have few entries in my log file as follows. Anyone can give me an explanation for this?.

I am really appreciate your helps.


Nov 7 06:37:01 super [7558]: Validation succeeded
Nov 7 06:46:32 super kernel: PUB_IN DROP 2IN=eth0 OUT= MAC=00:04:23:2c:47:de:00
:e0:80:53:23:05:08:00 SRC=193.247.238.60 DST=207.44.xx.xx LEN=57 TOS=0x00 PREC=
0x00 TTL=46 ID=0 DF PROTO=ICMP TYPE=8 CODE=0 ID=10879 SEQ=61187
Nov 7 06:46:40 super psad: port scan detected: 193.247.238.60 -> 207.44.xx.xx
pkts=7 dangerlevel: 1
Nov 7 06:51:53 super kernel: PUB_IN DROP 2IN=eth0 OUT= MAC=00:04:23:2c:47:de:00
:e0:80:53:23:05:08:00 SRC=193.247.238.60 DST=207.44.xx.xx LEN=57 TOS=0x00 PREC=
0x00 TTL=46 ID=0 DF PROTO=ICMP TYPE=8 CODE=0 ID=10879 SEQ=65027
Nov 7 06:51:55 super psad: port scan detected: 193.247.238.60 -> 207.44.xx.xx
pkts=8 dangerlevel: 1
Nov 7 06:57:11 super kernel: PUB_IN DROP 2IN=eth0 OUT= MAC=00:04:23:2c:47:de:00
:e0:80:53:23:05:08:00 SRC=193.247.238.60 DST=207.44.xx.xxLEN=57 TOS=0x00 PREC=
0x00 TTL=46 ID=0 DF PROTO=ICMP TYPE=8 CODE=0 ID=10879 SEQ=4356
Nov 7 06:57:26 super psad: port scan detected: 193.247.238.60 -> 207.44.xx.xx
pkts=9 dangerlevel: 1
Nov 7 07:37:00 super [7835]: Validation succeeded



Thanks in advance