防火墙日志，真不知在干么

Dec 10 20:47:57 llpwfirewall kernel: llog IN=eth1 OUT= MAC=00:e0:4c:f8:9c:23:00:d0:02:e2:54:00:08:00 SRC=122.4.11.32 DST=61.50.143.110 LEN=48 TOS=0x00 PREC=0x00 TTL=115 ID=38244 DF PROTO=TCP SPT=1859 DPT=25019 WINDOW=65535 RES=0x00 SYN URGP=0
Dec 10 20:47:59 llpwfirewall kernel: llog IN=eth1 OUT= MAC=00:e0:4c:f8:9c:23:00:d0:02:e2:54:00:08:00 SRC=88.20.158.225 DST=61.50.143.110 LEN=64 TOS=0x00 PREC=0x00 TTL=113 ID=5524 PROTO=UDP SPT=13396 DPT=13538 LEN=44
Dec 10 20:48:01 llpwfirewall sshd(pam_unix)[32691]: session opened for user root by (uid=0)
Dec 10 20:48:01 llpwfirewall kernel: llog IN=eth1 OUT= MAC=00:e0:4c:f8:9c:23:00:d0:02:e2:54:00:08:00 SRC=88.20.158.225 DST=61.50.143.110 LEN=64 TOS=0x00 PREC=0x00 TTL=113 ID=5674 PROTO=UDP SPT=13396 DPT=13538 LEN=44
Dec 10 20:48:02 llpwfirewall kernel: llog IN=eth1 OUT= MAC=00:e0:4c:f8:9c:23:00:d0:02:e2:54:00:08:00 SRC=218.10.66.110 DST=61.50.143.110 LEN=64 TOS=0x00 PREC=0x00 TTL=117 ID=12771 PROTO=UDP SPT=13277 DPT=13092 LEN=44
Dec 10 20:48:03 llpwfirewall kernel: llog IN=eth1 OUT= MAC=00:e0:4c:f8:9c:23:00:d0:02:e2:54:00:08:00 SRC=122.4.11.32 DST=61.50.143.110 LEN=48 TOS=0x00 PREC=0x00 TTL=115 ID=38571 DF PROTO=TCP SPT=1859 DPT=25019 WINDOW=65535 RES=0x00 SYN URGP=0
Dec 10 20:48:03 llpwfirewall kernel: llog IN=eth1 OUT= MAC=00:e0:4c:f8:9c:23:00:d0:02:e2:54:00:08:00 SRC=85.177.144.141 DST=61.50.143.110 LEN=79 TOS=0x00 PREC=0x00 TTL=114 ID=22669 PROTO=UDP SPT=24871 DPT=4670 LEN=59
Dec 10 20:48:03 llpwfirewall kernel: llog IN=eth1 OUT= MAC=00:e0:4c:f8:9c:23:00:d0:02:e2:54:00:08:00 SRC=218.10.66.110 DST=61.50.143.110 LEN=64 TOS=0x00 PREC=0x00 TTL=117 ID=14393 PROTO=UDP SPT=13277 DPT=13092 LEN=44
Dec 10 20:48:04 llpwfirewall kernel: llog IN=eth1 OUT= MAC=00:e0:4c:f8:9c:23:00:d0:02:e2:54:00:08:00 SRC=218.10.66.110 DST=61.50.143.110 LEN=64 TOS=0x00 PREC=0x00 TTL=117 ID=15942 PROTO=UDP SPT=13277 DPT=13092 LEN=44
Dec 10 20:48:05 llpwfirewall kernel: llog IN=eth1 OUT= MAC=00:e0:4c:f8:9c:23:00:d0:02:e2:54:00:08:00 SRC=218.10.66.110 DST=61.50.143.110 LEN=64 TOS=0x00 PREC=0x00 TTL=117 ID=16042 PROTO=UDP SPT=13277 DPT=13092 LEN=44
Dec 10 20:48:06 llpwfirewall kernel: llog IN=eth1 OUT= MAC=00:e0:4c:f8:9c:23:00:d0:02:e2:54:00:08:00 SRC=218.10.66.110 DST=61.50.143.110 LEN=64 TOS=0x00 PREC=0x00 TTL=117 ID=16109 PROTO=UDP SPT=13277 DPT=13092 LEN=44
Dec 10 20:48:09 llpwfirewall kernel: llog IN=eth1 OUT= MAC=00:e0:4c:f8:9c:23:00:d0:02:e2:54:00:08:00 SRC=218.90.222.50 DST=61.50.143.110 LEN=55 TOS=0x00 PREC=0x00 TTL=115 ID=36388 PROTO=UDP SPT=62947 DPT=13538 LEN=35
Dec 10 20:48:12 llpwfirewall kernel: llog IN=eth1 OUT= MAC=00:e0:4c:f8:9c:23:00:d0:02:e2:54:00:08:00 SRC=218.90.222.50 DST=61.50.143.110 LEN=55 TOS=0x00 PREC=0x00 TTL=115 ID=36438 PROTO=UDP SPT=62947 DPT=13538 LEN=35
Dec 10 20:48:12 llpwfirewall kernel: llog IN=eth1 OUT= MAC=00:e0:4c:f8:9c:23:00:d0:02:e2:54:00:08:00 SRC=218.90.222.50 DST=61.50.143.110 LEN=55 TOS=0x00 PREC=0x00 TTL=115 ID=36439 PROTO=UDP SPT=62947 DPT=13538 LEN=35
Dec 10 20:48:12 llpwfirewall kernel: llog IN=eth1 OUT= MAC=00:e0:4c:f8:9c:23:00:d0:02:e2:54:00:08:00 SRC=59.38.92.35 DST=61.50.143.110 LEN=64 TOS=0x00 PREC=0x00 TTL=116 ID=23133 PROTO=UDP SPT=28164 DPT=13538 LEN=44
Dec 10 20:48:13 llpwfirewall kernel: llog IN=eth1 OUT= MAC=00:e0:4c:f8:9c:23:00:d0:02:e2:54:00:08:00 SRC=59.38.92.35 DST=61.50.143.110 LEN=64 TOS=0x00 PREC=0x00 TTL=116 ID=23147 PROTO=UDP SPT=28164 DPT=13538 LEN=44