AirLink Communications Raven X HSDPA Guia do Utilizador descarregar pdf (Página 71)

Data Communication and Host Modes

Rev 2.0 Jul.09 64

Firewall Functions

TheRavenXEcanprovideabasicfirewallbetweenthepublic

andprivatenetworks.Therearetwotypesoffirewallrules

supportedbytheRavenXE,IPfilteringandportfiltering.

• IPFiltering:Whenenabled,onlypacketswithsourceIP

addressesmatchingthoseinalistorrangeoftrustedhosts

willbeallowedthrough.

· FriendsListIP:Eachentrycanbeconfiguredtoallowa

singleIPaddress,forexample64.100.100.2,ortheIP

addressesfromacompletesubnet,suchas64.100.10.255

allowingallIPaddressesfrom64.100.10.0to

64.100.10.255.

· Non‐FriendsPortForwarding:Non‐Friendsport

forwardingislikeanallowruleforanyoftheforwarded

ports.Ifitisenabled,theportforwardingrulesapplyto

allincomingpackets.Ifitisdiabled,onlyFriendsList

IPsgetthrough.

· StartandEndRange:SpecifytheIPaddressrangethatis

allowedaccess,forexample64.100.10.2tostartand

64.100.10.15toendwouldallow64.100.10.5butwould

notallow64.100.10.16.

· OutboundIPFiltering:EnableordisableOutboundIP

filtering(0‐OFF,1‐ON).OutboundIncomingtrafficwill

createanoutboundholeinthefirewall,unlessother

restrictionsapplytoit.AccesstoAleosportsarenot

blocked.

Note: In addition to the security settings in ALEOS, Inbound connec-

tions also require mobile terminated or Internet routable WAN/Cellular

account.

Figure 8-7: Outbound IP Filtering

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AirLink Communications Raven X HSDPA Guia do Utilizador Página 71