Manual

Table Of Contents
Software User Guide 67
Network Tab
ClickontheFinishbutton.YouwillbereturnedtotheFirewallAccessControlList(ACL)Rulesdialogwindowand
theFilterRulestablewillnowbepopulatedwiththerecentlyentereddata.
Todeleteanexistingrule,selectitinthetableandclickontheDeletebutton.To
editanexistingrule ,selectitin
thetableandclickontheEditbutt
Clickonthe“Savebuttonforchangestobesave dwithoutactivatingtheinterfaceuntilyoureboottheunit,the
Apply ” buttonwillsaveyoursettingsandapplythemimmediately.Toreverttotheprevious
defaults,clickonthe
“Revertbutton.
3.4.3.3 Masquerade/NAT/DMZRules
DMZrulesareusedtoconfigurerulestoroutethroughaDemilitarizedZone(DMZ),Masqueraderulesareusedtoconfig
ureaninterfacetogiveallIPAddressesonalocalnetworkaccesstotheinternet,whileNAT(NetworkAddressTranslation)
rulesprovideaccesstotheInternetthrougha singlemachinethat
translatestheIPaddresses.
MasqueradeRules:TheMASQrulesenableaccesstotheInternetthroughasingleunit/interfacethattranslatestheIP
addresses.TheunititselfhasoneormoreIPaddresses,butalltheIPsbehindtheMASQhave‘private’Internetaddresses.
ClickontheAddbuttonandthe
followingdialogwindowwillappear: