is it an attack? kernel: ...

What is this guys? Is it an attack? Below XX.XX.XX.XX is my IP.

/var/log/messages
Apr 7 10:25:41 s01 kernel: 64000 RES=0x00 ACK URGP=0
Apr 7 10:26:20 s01 kernel: =0x00 TTL=110 ID=53760 DF PROTO=TCP SPT=24578 DPT=80 WINDOW=64000 RES=0x00 ACK URGP=0
Apr 7 10:27:03 s01 kernel: UT= MAC=00:00:21:cc:4d:56:00:12:43:78:a4:00:08:00 SRC=196.202.13.239 DST=XX.XX.XX.XX LEN=52 TOS=0x00 PREC=0x00 TTL=109 ID=55114 DF PROTO=TCP SPT=24710 DPT=80 WINDOW=64000 RES=0x00 ACK URGP=0
Apr 7 10:28:17 s01 kernel: TCP SPT=80 DPT=24700 WINDOW=6432 RES=0x00 ACK PSH URGP=0
Apr 7 10:34:15 s01 kernel: =64000 RES=0x00 ACK URGP=0
Apr 7 10:35:17 s01 kernel: :4d:56:00:12:43:78:a4:00:08:00 SRC=196.202.13.239 DST=XX.XX.XX.XX LEN=52 TOS=0x00 PREC=0x00 TTL=109 ID=65436 DF PROTO=TCP SPT=25401 DPT=80 WINDOW=64000 RES=0x00 ACK URGP=0

 

 

 

 

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