netfilter missing interface name

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Hi

The INPUT chain looks like the following:

pkts bytes target prot opt in out source destination 35 3235 LOG_DROP all -- pub * 0.0.0.0/0 !1.2.3.4 [goto] 0 0 LOG_ACC tcp -- * * 127.0.0.1 127.0.0.1 state NEW tcp dpt:3000

The following packet is dropped:

IN= OUT=lo SRC=127.0.0.1 DST=127.0.0.1 LEN=60 TOS=0x10 PREC=0x00 TTL=64 ID=31349 DF PROTO=TCP SPT=35130 DPT=3000 WINDOW=32792 RES=0x00 SYN URGP=

which was the cause of executing the "telnet localhost 3000" command
The "pub" interface is a physical ethernet card.

Why is the "IN=" blanc?
Why does the packet match to the first rule?
How is it possible to match only to the second rule?

Thanks Denes
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