Help with Meraki-CLI to update firewall rules

[NetEng1]

Here's my argument:

meraki appliance updateNetworkApplianceFirewallL3FirewallRules --networkId <networkID> --kwargs "{

    "rules":[

{

            "comment": "Block",

            "policy": "deny",

            "protocol": "any",

            "srcPort": "any",

            "srcCidr": "any",

            "destPort": "any",

            "destCidr": "<IP.ADDR>/32",

            "syslogEnabled": false

      }

]

}"

Trying to update firewall rule to block an IP for multiple sites but get following error:

2025-02-14 12:41:25,820 [CRITI] Error loading JSON kwargs. Check syntax.
2025-02-14 12:41:25,820 [ERROR] Expecting property name enclosed in double quotes: line 3 column 5 (char 7)
Traceback (most recent call last):
File "/home/sgre/.local/share/pipx/venvs/meraki-cli/lib/python3.12/site-packages/meraki_cli/__main__.py", line 466, in _get_method_params
kwargs = json.loads(kwargs_value) # Interpret the JSON
^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3.12/json/__init__.py", line 346, in loads
return _default_decoder.decode(s)
^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3.12/json/decoder.py", line 337, in decode
obj, end = self.raw_decode(s, idx=_w(s, 0).end())
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3.12/json/decoder.py", line 353, in raw_decode
obj, end = self.scan_once(s, idx)
^^^^^^^^^^^^^^^^^^^^^^
json.decoder.JSONDecodeError: Expecting property name enclosed in double quotes: line 3 column 5 (char 7)

Any advise on where I have gone wrong?

[alemabrahao]

The error indicates that there is a problem with the JSON syntax in the arguments (kwargs) passed to the updateNetworkApplianceFirewallL3FirewallRules command.

The specific error is: Expecting property name enclosed in double quotes: line 3 column 5 (char 7)

This suggests that there is a problem with the double quotes somewhere in the JSON.

When examining the JSON provided, I noticed that there is a space before the { curly brace that begins the rules object. This may be causing the error.

Try removing the space before the { curly brace and see if the command works:

--kwargs "{ "rules": [{ "comment": "Block", "policy": "deny", "protocol": "any", "srcPort": "any", "srcCidr": "any", "destPort": "any", "destCidr": "<IP.ADDR>/32", "syslogEnabled": false }] }"

[Inderdeep]

Use this instead 

https://developer.cisco.com/meraki/build/mx-firewall-control-python-script/