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^(\w{3} [ :0-9]{11}|[0-9T:.+-]{32}) [._[:alnum:]-]+ kernel: \[[[:digit:][:space:].]+\] unknown INPUT traffic: IN=[[:alnum:]]+ OUT= MAC=[[:xdigit:]:.]+ SRC=[[:xdigit:]:.]+ DST=[[:xdigit:]:.]+ LEN=[[:digit:]]+ (TC=[[:digit:]]+ HOPLIMIT=[[:digit:]]+ FLOWLBL=[[:digit:]]+|TOS=0x[[:xdigit:]]+ PREC=0x[[:xdigit:]]+ TTL=[[:digit:]]+ ID=[[:digit:]]+) (DF )?PROTO=(TCP|UDP|132|41|155|253)( SPT=[[:digit:]]+ DPT=[[:digit:]]+ (WINDOW=[[:digit:]]+ RES=0x[[:xdigit:]]+ (CWR )?(ECE )?(PSH )?(SYN |ACK |RST )+(PSH )?URGP=[[:digit:]]+|LEN=[[:digit:]]+))?$
^(\w{3} [ :0-9]{11}|[0-9T:.+-]{32}) [._[:alnum:]-]+ kernel: \[[[:digit:][:space:].]+\] [[:alnum:]]+ bruteforce attempt: IN=[[:alnum:]]+ OUT= MAC=[[:digit:]a-f:]+ SRC=[[:digit:]a-f:.]+ DST=[[:digit:]a-f:.]+ LEN=[[:digit:]]+ (TC=[[:digit:]]+ HOPLIMIT=[[:digit:]]+ FLOWLBL=[[:digit:]]+|TOS=0x[[:xdigit:]]+ PREC=0x[[:xdigit:]]+ TTL=[[:digit:]]+ ID=[[:digit:]]+) (DF )?PROTO=(TCP|UDP) SPT=[[:digit:]]+ DPT=[[:digit:]]+ (WINDOW=[[:digit:]]+ RES=0x00 (CWR ECE )?(SYN|ACK|RST) (PSH )?(FIN )??URGP=[[:digit:]]+|LEN=[[:digit:]]+)$
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