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the internet, users will now be able to connect to your Virtual Servers using your Domain name.
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IGMP (Internet Group Management Protocol) proxy can be used to implement multicast routing. It works by IGMP
frame forwarding.
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A firewall is a set of related programs that protects the resources of a private network from other networks. It is
helpful to users that allow preventing hackers to access its own private data resource accidentally.
There have three security levels for setting: Low, Medium and High.
