Cortelco C60 User Manual
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When a connected device tries to access 192.168.1.118, the phone will deny the request
because of the out_access rule. Access to any other IP address will be allowed.
Click the Delete button to delete the selected rule.
8.3.7.3 Network Address Translation (NAT)
NAT is the process of modifying IP address and port information in transition from a private
to a public network. NAT allows the use of one public address to support many private
addresses.
DMZ Configuration
Servers in a network most vulnerable to attack are those which provide services to users
outside the local network. Many times these computers are placed into their own
sub-network to provide more protection to the rest of the local network. This sub-network is
called a DMZ (taken from “demilitarized zone”). Computers in the DMZ have limited
called a DMZ (taken from “demilitarized zone”). Computers in the DMZ have limited