Contents of Package
Wieland Electric GmbH | BA001039 (Rev. A) | 08/2016
44
5.9
NAT Configuration
To enter the Network Address Translation configuration, select the NAT menu item. NAT (Network ad-
dress Translation / Port address Translation - PAT) is a method of adjusting the network traffic through
the router default transcript and/or destination IP addresses often change the number of TCP/UDP port
for walk-through IP packets. The window contains sixteen entries for the definition of NAT rules.
Item
Description
Public Port
Public port
Private Port
Private port
Type
Protocol selection
Server IP address
IP address which will be forwarded incoming data
If necessary, you can set more than sixteen NAT rules – insert them into start up script (Startup Script
item in the Configuration section) by typing the following:
iptables -t nat -A napt -p tcp --dport [PORT\_PUBLIC] -j DNAT --to-destination
[IPADDR]:[PORT1\_PRIVATE]
Concrete IP address [IPADDR] and ports numbers [PORT_PUBLIC] and [PORT_PRIVATE] are filled up into
square bracket.
The following items are used to set the routing of all incoming traffic from the PPP to the connected
computer.
Item
Description
Send all remaining incoming
packets to default server
By checking this item and setting the Default Server item it is possible
to put the router into the mode in which all incoming data from GPRS
will be routed to the computer with the defined IP address.
Default Server
IP Address Send all incoming packets to this IP addresses.
Configuration of send all incoming packets
Enable the following options and enter the port number is allowed remote access to the router from the
Internet.
Attention!
Enable remote HTTP access on port activates the redirect from HTTP to HTTPS proto-
col only. Router doesn’t allow unsecured HTTP protocol to access the web configura-
tion. To access the web configuration, always check the Enable remote HTTPS access
on port item. Never enable the HTTP item only to access the web configuration from the
Internet (configuration would not be accessible from the internet). Always check the
HTTPS item or HTTPS and HTTP items together (to set the redirect from HTTP).
Item
Description
Enable remote HTTP access on port
This option sets the redirect from HTTP to HTTPS only (disa-
bled in default configuration).
Enable remote HTTPS access on
port
If this item field and port number is filled in, then configura-
tion of the router over web interface is possible (disabled in
default configuration).
Enable remote SSH access on port
Choice this item and port number makes it possible to access
over SSH (disabled in default configuration).
Enable remote SNMP access on port Choice this item and port number makes it possible to access
to SNMP agent (disabled in default configuration).
Masquerade outgoing packets
Choice Masquerade (alternative name for the NAT system)
item option turns the system address translation NAT.
Remote access configuration
ATTENTION
