The following will show you how to determine the name of the interface you wish to apply IPTABLES to:
|
Interface |
IP Table Naming |
|
|
USB Cell (/cell) |
qmimux0 |
|
|
Example iptables -A Input -i qmimux0 -j ACCEPT |
||
|
Ethernet 0 (/n) |
eth0 |
|
|
Example iptables -A INPUT -i eth0 -j ACCEPT |
||
|
Ethernet 1 (/n1) |
eth1 |
|
|
Example iptables -A INPUT -i eth1 -j ACCEPT |
||
|
Serial Cell (/cell) |
ppp0 |
|
|
Example iptables -A INPUT -i ppp0 -j ACCEPT |
||
To determine what type of cell modem your unit has issue a “/j*”.
Look for the Modem Model. If a “-U” appears at the end of the modem model you have a USB modem. If the “-U” does not appear you have a serial modem.
PARAMETER | VALUE |
--------------------------+----------------------------------+
Product | REM-4R4-1-NE |
SW Version | 7.03 2 Mar 2022 |
Serial Number | 01187556354 |
Asset Tag | (undefined) |
Analog Modem Phone Number | (undefined) |
Modem Installed | Yes, 4G/LTE, USB |
Modem Model | MTSMC-L4N1-U |
GIG / DUAL-PHY | Yes / Yes |
CPU / Board Program Date | ARM / 7 May 2020 |
RAM / FLASH | 512 MB / 128 MB* |
Line Input Count / Rating | 1 / 15 Amps |
Current Monitor | No |
Key Length | 2048 |
System Uptime | 18h, 49m, 01s |
MAC Address [eth0] | 00-09-9b-02-af-81 |
MAC Address [eth1] | 00-09-9b-02-af-82