Manual

Software User Guide 74
Network Tab
NewDestinationPort(Required):Entertheportthattheincomingconnectionwillberedirectedto.Thismaybethe
samenumberastheOriginalDestinationPort.
SelectProtocol:Choosetheprotocoltypeforthisport’sdata.OptionsareTCPandUDP.
SourceSubnetsviaWhitelist:Selectawhitelistnamefromthelist
ofnamesavailableinthedrop‐downlistboxpro‐
vided.Whitelistsmaybeviewed/definedintheviatheNetwork/Firewall/ACLRulesscreen.
• ClickontheFinishbutton.YouwillbereturnedtotheFirewallPortForwardingdialogwindowandtheHostRedi‐
rect(PortForwarding)Rulestablewillnowbe
populatedwiththerecentlyentereddata.
• Todeleteanexistingrule,selectitinthetableandclickontheDeletebutton.Toeditanexistingrule,selectitin
thetableandclickontheEditbutton.
• Clickonthe“Save”buttonforchangestobesave dwithoutactivating
theinterfaceuntilyoureboottheunit,the
“Apply ” buttonwillsaveyoursettingsandapplythemimmediately.Toreverttothepreviousdefaults,clickonthe
“Revert”button.
3.4.4 Tunneling
TheTunnelingmenuisdividedintotwo(3)sub‐sections:GRETunnels,IPinIPTunnelsandIPSEC.
3.4.4.1 GRETunnels(GenericRoutingEncapsulation)
TheGRETunnelsmenuitemisusedtoconfigureaGRETunnel.GREisatunnelingprotocolthatwasoriginallydeveloped
byCisco.ItcandoafewmorethingsthanIP‐in‐IPtunnelling.Forexample,youcanalsotransportmulticasttrafficandIPv6
throughaGREtunnel.
• Clickon
theGRETunnelsmenuitemandthefollowingdialogwindowwillappear: