Whether the NAT policy can directly reference the address library of an ISP on the USG2000 and USG5000

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The source NAT policy of the USG2000 and USG5000 cannot directly reference the address library of the ISP. You need to manually establish the address set and configure the source NAT policy to reference the address set.

Other related questions:
Whether the NAT policy can directly reference the address library of an ISP on the USG6000
The source NAT policy of the USG6000 cannot directly reference the address library of the ISP. You need to manually establish the address set and configure the source NAT policy to reference the address set.

Whether the USG2000 and USG5000 support multicast NAT
USG2000 and USG5000 support multicast NAT

Whether the NAT policy of the USG2000 can replace the source IP address and destination IP address simultaneously
The bidirectional NAT function of the USG2000 can bidirectionally translate the destination IP address and source IP address simultaneously.

Meaning of the NAT on the USG2000 and USG5000
The Network Address Translation (NAT) is an address translation technology. It can convert the address in an IPv4 packet header to another address. Generally, the NAT is used to convert a private IP address in the IPv4 packet header to a public IP address, so that multiple users on the private network can access the Internet using less public IP addresses. Therefore, the NAT technology can address the IPv4 public address shortage issue caused by the expansion of the Internet scale.

Whether the USG2000 and USG5000 series support the NAT based on domain names accessed by intranet users
USG firewalls do not support NAT based on domain names accessed by intranet users. To allow users to access specified websites, you can configure the URL filtering.

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