Explanation Please?

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I am seeing log file entries like this:

IN=eth0 OUT=eth1 SRC9.74.193.253 DST=x.y.z.34 LEN2 TOS=0x00
PREC=0x00 TTLH IDI692 PROTO=ICMP TYPE=3 CODE=3 [SRC=x.y.z.34
DST9.74.193.253 LEN

One thought on - Explanation Please?

  • IN=eth0 OUT=eth1 SRC9.74.193.253 DST=x.y.z.34 LEN2 TOS=0x00
    PREC=0x00 TTLH IDI692 PROTO=ICMP TYPE=3 CODE=3

    This is a “Port unreachable” message from host 109.74.193.253.

    [SRC=x.y.z.34 DST9.74.193.253 LEN

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