[msgs:/var/log/messages]
Jul 18 04:33:26 raspy3 kernel: [4003612.417901] REJECTING IN=eth0 OUT= MAC=dc:a6:32:e0:51:78:50:65:f3:3c:6b:7d:08:00 SRC=192.168.19.120 DST=192.168.19.80 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=16696 DF PROTO=TCP SPT=44324 DPT=3128 WINDOW=29200 RES=0x00 SYN URGP=0 
Jul 18 04:38:28 raspy3 kernel: [4003914.592583] REJECTING IN=eth0 OUT= MAC=dc:a6:32:e0:51:78:50:65:f3:3c:6b:7d:08:00 SRC=192.168.19.120 DST=192.168.19.80 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=39841 DF PROTO=TCP SPT=44330 DPT=3128 WINDOW=29200 RES=0x00 SYN URGP=0 
Jul 18 04:43:28 raspy3 kernel: [4004214.359977] REJECTING IN=eth0 OUT= MAC=dc:a6:32:e0:51:78:50:65:f3:3c:6b:7d:08:00 SRC=192.168.19.120 DST=192.168.19.80 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=55205 DF PROTO=TCP SPT=44340 DPT=3128 WINDOW=29200 RES=0x00 SYN URGP=0 
Jul 18 04:48:31 raspy3 kernel: [4004518.216709] REJECTING IN=eth0 OUT= MAC=dc:a6:32:e0:51:78:50:65:f3:3c:6b:7d:08:00 SRC=192.168.19.120 DST=192.168.19.80 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=432 DF PROTO=TCP SPT=44342 DPT=3128 WINDOW=29200 RES=0x00 SYN URGP=0 
Jul 18 04:53:34 raspy3 kernel: [4004820.387776] REJECTING IN=eth0 OUT= MAC=dc:a6:32:e0:51:78:50:65:f3:3c:6b:7d:08:00 SRC=192.168.19.120 DST=192.168.19.80 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=42585 DF PROTO=TCP SPT=44352 DPT=3128 WINDOW=29200 RES=0x00 SYN URGP=0 
<...CURRENT...>
Jul 18 05:03:39 raspy3 kernel: [4005425.372496] REJECTING IN=eth0 OUT= MAC=dc:a6:32:e0:51:78:50:65:f3:3c:6b:7d:08:00 SRC=192.168.19.120 DST=192.168.19.80 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=20869 DF PROTO=TCP SPT=44370 DPT=3128 WINDOW=29200 RES=0x00 SYN URGP=0