Инструкция для ZYXEL ZyWALL 110

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Chapter 13 NAT

ZyWALL 110/310/1100 Series User’s Guide

224

Incoming Interface

Select the interface on which packets for the NAT rule must be received.

It can be an

Ethernet, VLAN, bridge, or PPPoE/PPTP interface.

Original IP

Specify the destination IP address of the packets received by this NAT rule’s specified
incoming interface.

any - Select this to use all of the incoming interface’s IP addresses including dynamic
addresses or those of any virtual interfaces built upon the selected incoming interface.

User Defined - Select this to manually enter an IP address in the User Defined field.
For example, you could enter a static public IP assigned by the ISP without having to
create a virtual interface for it.

Host address - select a host address object to use the IP address it specifies. The list
also includes address objects based on interface IPs. So for example you could select
an address object based on a WAN interface even if it has a dynamic IP address.

User Defined
Original IP

This field is available if Original IP is User Defined. Type the destination IP address
that this NAT rule supports.

Original IP Subnet/
Range

This field displays for Many 1:1 NAT. Select the destination IP address subnet or IP
address range that this NAT rule supports. The original and mapped IP address
subnets or ranges must have the same number of IP addresses.

Mapped IP

Select to which translated destination IP address this NAT rule forwards packets.

User Defined - this NAT rule supports a specific IP address, specified in the User
Defined field.

HOST address - the drop-down box lists all the HOST address objects in the ZyWALL. If
you select one of them, this NAT rule supports the IP address specified by the address
object.

User Defined
Original IP

This field is available if Mapped IP is User Defined. Type the translated destination
IP address that this NAT rule supports.

Mapped IP Subnet/
Range

This field displays for Many 1:1 NAT. Select to which translated destination IP address
subnet or IP address range this NAT rule forwards packets. The original and mapped IP
address subnets or ranges must have the same number of IP addresses.

Port Mapping Type

Use the drop-down list box to select how many original destination ports this NAT rule
supports for the selected destination IP address (Original IP). Choices are:

Any - this NAT rule supports all the destination ports.

Port - this NAT rule supports one destination port.

Ports - this NAT rule supports a range of destination ports. You might use a range of
destination ports for unknown services or when one server supports more than one
service.

Protocol Type

This field is available if Mapping Type is Port or Ports. Select the protocol (TCP,
UDP, or Any) used by the service requesting the connection.

Original Port

This field is available if Mapping Type is Port. Enter the original destination port this
NAT rule supports.

Mapped Port

This field is available if Mapping Type is Port. Enter the translated destination port if
this NAT rule forwards the packet.

Original Start Port

This field is available if Mapping Type is Ports. Enter the beginning of the range of
original destination ports this NAT rule supports.

Original End Port

This field is available if Mapping Type is Ports. Enter the end of the range of original
destination ports this NAT rule supports.

Mapped Start Port

This field is available if Mapping Type is Ports. Enter the beginning of the range of
translated destination ports if this NAT rule forwards the packet.

Table 84

Configuration > Network > NAT > Add (continued)

LABEL

DESCRIPTION