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[all variants] Why is UFW blocking these packets?

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linux-howto

http://ubuntuforums.org – UFW is blocking some packets that I thought I was allowing. A couple examples are Code: Jul  7 17:43:21 hobbes kernel: [  295.784964] [UFW BLOCK] IN=br0 OUT= PHYSIN=tap0 MAC=00:04:75:70:8e:30:fe:23:43:ca:38:8f:08:00 SRC=10.56.183.106 DST=10.56.183.1 LEN=52 TOS=0x00 PREC=0x00 TTL=64 ID=51040 DF PROTO=TCP SPT=33003 DPT=993 WINDOW=661 RES=0x00 ACK FIN URGP=0 Jul  7 17:44:15 hobbes kernel: [  349.630433] [UFW BLOCK] IN=eth0 OUT= MAC=00:13:20:16:69:f6:00:1f:d0:a2:21:aa:08:00 SRC=10.56.182.4 DST=10.56.183.1 LEN=52 TOS=0x00 PREC=0x00 TTL=63 ID=59140 DF PROTO=TCP SPT=2049 D (Hardware)