log檔會被放訊息，呵呵

記錄檔中見到這個。
Expanse,+a+Palo+Alto+Networks+company,+searches+across+the+global+IPv4+space+multiple+times+per+day+to+identify+customers'+presences+on+the+Internet.+If+you+would+like+to+be+excluded+from+our+scans,+please+send+IP+addresses/domains+to:+scaninfo@paloaltonetworks.com - 200 0 0 4990 -