hello list,

kernel: Shorewall:_net-fw::IN=eth0 OUT= 
MAC=d4:3d:7e:ec:e1:07:00:26:88:75:df:19:08:00 SRC=87.142.17.90 
DST=46.4.xx.xxx LEN=80 TOS=0x00 PREC=0x00 TTL=55 ID=38334 PROTO=ICMP 
TYPE=3 CODE=1 [SRC=46.4.xx.xxx DST=87.142.17.90 LEN=52 TOS=0x00 
PREC=0x00 TTL=53 ID=4374 DF PROTO=TCP SPT=80 DPT=56578 WINDOW=521 
RES=0x00 ACK FIN URGP=0 ]


i find this entries in my logs.
What does this mean? I dont understand at all. A client connects via 
http on port 80, then webserver is checking if client is reachable on 
his outgoing port of his request?

Can some help me to read this correct or interpret this correct?

thanks

marko




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