Telit Wireless Solutions LE910C series - AT#FRWL - Firewall Setup

LE910Cx AT Commands Reference Guide
80502ST10950A Rev. 14 Page 1335 of 1904 2022-03-04
Not Subject to NDA
3.17.48. AT#FRWL - Firewall Setup
This command controls the internal firewall settings.
SIM Presence
Setting saved
Can be aborted
MAX timeout
SELINT
Required
No
No
-
2
AT#FRWL=[<action>[,<ip_addr>[,<net_mask>]]]
Set command controls the internal firewall settings
Parameters:
Name
Type
Default
Description
<action>
integer
0
command action
Values:
0
:
remove selected chain
1
:
add an ACCEPT chain
2
:
remove all chains (DROP everything); <ip_addr>
and <net_mask> have no meaning in this case.
<ip_addr>
string
-
remote address to be added into the
ACCEPT chain; it can be any valid IP
address in the format: xxx.xxx.xxx.xxx
<net_mask>
string
-
mask to be applied on the <ip_addr>; it
can be any valid IP address mask in the
format: xxx.xxx.xxx.xxx
Additional info:
Firewall criterion
The firewall applies for incoming (listening) connections only. Its
general policy is DROP, therefore all packets that are not included
into an ACCEPT chain rule will be silently discarded.