Telit Wireless Solutions ML865G1 Reference Guide

ME310G1/ME910G1/ML865G1 AT Commands Reference Guide
80617ST10991A Rev. 11 Page 705 of 1039 2021-09-23
Not Subject to NDA
3.15.27. AT#FRWL - Firewall Setup
This command controls the internal firewall settings.
SIM Presence
Setting saved
Can be aborted
MAX timeout
SELINT
Not 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.
When a packet comes from the IP address incoming_IP, the firewall
chain rules will be scanned for matching with the following criteria:

Telit Wireless Solutions ML865G1 Specifications

General

Brand	Telit Wireless Solutions
Model	ML865G1
Category	Wireless modules
Language	English