Chapter 11 Network Address Translation (NAT)
VMG1312-B Series User’s Guide
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11.5 The DMZ Screen
I n addit ion t o the ser vers for specified services, NAT supports a default server I P address. A default
server receives packet s from ports t hat are not specified in t he N AT Port Forw a r ding Set u p
screen.
Figure 80 Net work Sett ing > NAT > DMZ
The following t able describes t he fields in t his screen.
Open St art Port The open port is a por t (or a range of ports) that a server on the WAN uses when it sends
out a particular service. The Device forwards t he traffic wit h this port ( or range of ports) t o
the client com puter on t he LAN that requested t he service.
Type a port num ber or t he st arting port num ber in a range of port num ber s.
Open End Port Type a port num ber or t he ending port num ber in a range of port num bers.
Open Protocol Select the t ransport layer protocol from TCP, UDP, or TCP/ UDP.
OK Click OK t o save your changes.
Cancel Click Ca ncel to exit t his screen without saving.
Table 56 Port Triggering: Configuration Add/ Edit (cont inued)
LABEL DESCRIPTION
Table 57 Network Sett ing > NAT > DMZ
LABEL DESCRIPTION
Default Server
Address
Enter t he I P address of the default server which receives packet s fr om port s that are not
specified in the N AT Por t Forw a rding screen.
Note: If you do not assign a Default Server Address, the Device discards all packets
received for ports that are not specified in the NAT Port Forwarding screen.
Apply Click Apply to save your changes.
Cancel Click Ca n cel t o rest ore your pr eviously saved set t ings.
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