A.theinsideprivateIPaddressandthetranslatedinsideglobalIPaddress
B.thesourceanddestinationIPaddresses，portnumbers，TCPsequencinginformation，andadditional flagsforeachTCPorUDPconnectionassociatedwithaparticularsession
C.theoutboundandinboundaccessrules（ACLentries）
D.allTCPandUDPheaderinformationonly