BinTec X4000, User Manual

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334 X4000 User’s Guide
Configuration of Security Functions and Firewall
10
Table 10-11: IP
➧
N
ETWORK
A
DDRESS
T
RANSLATION
➧
Return
➧
ADD
To do Proceed as follows to activate NAT:
➤
Go to
IP
➧
N
ETWORK
A
DDRESS
T
RANSLATION
.
➤
Select the interface for which you want to activate NAT and confirm with
Return.
➤
Select Network Address Translation, e.g.
on.
This activates NAT for the selected interface.
➤
Press SAVE.
Proceed as follows to allow certain connections for a NAT interface to a certain
host in the LAN:
➤
Go to IP
➧
N
ETWORK
A
DDRESS
T
RANSLATION
➧
EDIT.
➤
Add an entry with ADD or select an existing entry and confirm with Return.
➤
Select Service.
➤
Select Protocol, if applicable.
➤
Enter Port (-1 for any), if applicable.
➤
Enter Destination.
➤
Press SAVE.
Port (-1 for any) Only for Service =
user defined. Defines the
port allowed. Entering -1 allows any port for the
protocol. If you specify the port, the entry must
agree with the port number of the destination
host in the LAN.
Destination IP address of the host in the LAN.
Field Meaning
An entry takes effect as soon as you confirm it here with SAVE. Never forget
this, especially if you are configuring NAT from a remote host, e.g. with telnet!