Nat; Exceptional Rule Group - Billion BiPAC 8700NEXL R2 User Manual

NAT

NAT (Network Address Translation) feature translates a private IP to a public IP, allowing multiple
users to access the Internet through a single IP account, sharing the single IP address. It is a natural
firewall for the private network.

Exceptional Rule Group

Exceptional Rule is dedicated to giving or blocking NAT/DMZ access to some specific IP or
IPs(range). Users are allowed to set 8 different exceptional rule groups at most. In each group, user
can add specific IP or IP range.
Press Edit to set the exceptional IP (IP Range).
Default Action: Please first set the range to make "Default Action" setting available. Select "Allow"
to grant access to the listed IP or IPs to Virtual Server and DMZ Host.
While choose "Block" to ban the listed IP or IPs to access the Virtual Server and DMZ Host.
Apply: Press Apply button to apply the change.
Exceptional Rule Range
IP Address Range: Specify the IP address range; IPv4 address range can be supported.
Click Add to add the IP Range.
For instance, if user wants block IP range of 172.16.1.102-172.16.1.106 from accessing your set
virtual server and DMZ host, you can add this IP range and valid it.
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