User Manual/Web Interface MC-LR/MC-LR-4/MC-LRS/MC-LRS-4 – 01/2018 (FW 2.07.3)
17
IP and Port forwarding
Protocol
TCP, UDP, ICMP
From IP
0.0.0.0/0 means all IP addresses. To enter an address range, use CIDR notation.
In Port
(only with TCP and UDP) You have the following options:
To Port
1. Direct port input
Example: In Port = 20, To Port = 30.
2. Port range
Example: In Port = 80-90, To Port = 100-110.
To IP
0.0.0.0/0 means all IP addresses. To enter an address range, use CIDR notation.
Masq
For every individual rule, you can determine if IP masquerading should be applied.
Yes:
IP masquerading is activated, reply to cellular network is possible.
No:
(default) No reply to the Internet is possible.
Comment
Entering a comment.
Log
Logging firewall rules.
Yes:
Event is logged.
No:
Event is not logged (default).
New
The "New" button allows a new rule to be added under the last rule.
The "Delete" button deletes the rule from the table.
Rules for IP and port forwarding.
The router only has a single IP address which can be used to access it from outside the network.
The additionally transmitted port number can be used to re-direct data packages to ports with internal IP addresses.
1.6.3 IP and Port forwarding
Note:
After clicking "Apply" carry out a reboot (see Page 41) or restart the router (interrupt the power supply).