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Table Of Contents
VMware ACE Administrator’s Manual
140 VMware, Inc.
SelectCustomifyouwanttoalloworblockcommunicationforaspecificprotocol.
Theprotocolsaredefinedbytheirprotocolnumbers,whichrangefrom0through
255.Thenumberisinthepacket.Ifthatnumbermatchesthenumbersuppliedin
theCustomfield,thepacketisallowedorblocked
asspecifiedbytherule.Typethe
protocol’snumberintheProtocolnumberbox.
Youcanfindtheprotocolnumberwiththeprotocol’sRFCat
http://www.ietf.org/rfc.htmlforprotocolnumbers.Youcanalsoseealistingof
protocolsandtheirnumbersat
http://www.iana.org/assignments/protocolnumbers.
9IfyouareusingeitherTCPorUDPandwanttoqualifytherulewithspecificport
numbersforthistypeoftraffic,typetheportnumbersorportnumberrangesin
theRemotePortsandLocalPortsboxesasappropriate.
Thewildcardportsettingisʺʺ(doublequotationmarks).
Usuallyyouspecifyfilteringononeortheotherporttype,notboth,becauseboth
specificationshavetomeetthematchfortheruletobeapplied.(DHCPrepresents
anexceptiontothisgeneralrule.)
LocalportFiltersontheportfromthelocalmachine,eitherhostorguest.The
localportisthesourceportforoutgoingpacketsandthedestinationportfor
incomingpackets.Typicallyyouspecifyalocalportwhenthehostorguestis
beingusedasaservergettingremote
connectionsonsomeport.
RemoteportFiltersontheportfromtheremotemachine.Theremoteportis
thesourceportforincomingpacketsandthedestinationportforoutgoing
packets.Typicallyyouspecifyaremoteportwhenthehostorguestisaclient
andiscontactingaremoteserveronsomeport.
10 Whenyouhavefinishedmakingallthechangesyouwanttomakeintherule,click
OK.Theruleseteditorreappears,withthechangesnowappearingintherulethat
youedited.
11 Ifyouwanttoremovearule,selecttherowfortheruleinthetableandclick
Remove
.
12 Ifyouwanttomovearuleupordowninthetabletochangetheorderinwhichthe
rulesareapplied,selecttherowfortheruleinthetableandclickMoveUpor
MoveDownasneeded.Precedenceforruleapplicationstartswiththeruleat
the
topofthetable.See“PackettoRuleComparison”onpage141fordetails.
NOTETheprotocolnumberisusedintheprotocolfieldofIPv4packets.Most
protocolnumbersarepermanentlyassigned.