what this logs means?

["Listas" <listas@kernelinformatica.com.br>]

What this logs means?

IPT FORWARD packet died: IN=eth0 OUT=eth1 SRC=externalIP DST=192.168.0.1
LEN=60 TOS=0x00 PREC=0x00 TTL=50 ID=33110 DF PROTO=TCP SPT=33000 DPT=80
WINDOW=5808 RES=0x00 SYN URGP=0
IPT INPUT packet died: IN=eth0 OUT= MAC= SRC=MyExternalIP
DST=mybroadcastexternalIP LEN=241 TOS=0x00 PREC=0x00 TTL=64 ID=0 DF
PROTO=UDP SPT=138 DPT=138 LEN=221


tks