Uncomplicated Firewall (ufw)

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What does this UFW log mean?

CC-02 kernel [ 399.656733] [UFW BLOCK] IN=eth0 OUT= MAC= SRC=192.168.2.11 DST=192.168.2.22 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=14158 DF PROTO=TCP SPT=47368 DPT=22 WINDOW=5840 RES=0x00 SYN URGP=0 ...