[SOLVED] No web interface access plugin Ntopng

[Yourry]

Hello everyone,
I cannot access the web interface (192.168.1.1:3000) of the Ntopng plugin. I've tried os-ntopng (1.2_1) or even os-ntopng-enterprise (5.1.210831) but neither works.
For the "standard" os-ntopng (1.2_1) version:
I have this config:



And for the DB redis:


The ntopng log:

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31/Aug/2021 22:14:29 [main.cpp:379] Logging onto /var/db/ntopng/ntopng.log
31/Aug/2021 22:14:29 [main.cpp:382] Working directory: /var/db/ntopng
31/Aug/2021 22:14:29 [main.cpp:384] Scripts/HTML pages directory: /usr/local/share/ntopng
31/Aug/2021 22:14:29 [Ntop.cpp:440] Welcome to ntopng amd64 v.3.4.0 - (C) 1998-20 ntop.org
31/Aug/2021 22:14:29 [Ntop.cpp:841] Adding 192.168.1.1/32 as IPv4 interface address for igb0
31/Aug/2021 22:14:29 [Ntop.cpp:850] Adding 192.168.1.0/24 as IPv4 local network for igb0
31/Aug/2021 22:14:29 [Ntop.cpp:872] Adding fe80::20d:b9ff:fe5a:65a8/128 as IPv6 interface address for igb0
31/Aug/2021 22:14:29 [Ntop.cpp:882] Adding fe80::20d:b9ff:fe5a:65a8/64 as IPv6 local network for igb0
31/Aug/2021 22:14:29 [PeriodicActivities.cpp:107] Started periodic activities loop...
31/Aug/2021 22:14:31 [startup.lua:50] Processing startup.lua: please hold on...
31/Aug/2021 22:14:31 [startup.lua:144] [lists_utils.lua:758] Refreshing category lists...
31/Aug/2021 22:14:32 [startup.lua:144] [lists_utils.lua:696] Category Lists (695 hosts, 3023 IPs, 100 JA3) loaded in 1 sec
31/Aug/2021 22:14:32 [startup.lua:218] Startup completed: ntopng is now operational
31/Aug/2021 22:14:32 [PeriodicActivities.cpp:168] Each periodic activity script will use 2 threads
31/Aug/2021 22:14:32 [NetworkInterface.cpp:2749] Started packet polling on interface igb0 [id: 0]...


The log system says:

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Aug 31 22:14:29 OPNsense ntopng[51464]: [Utils.cpp:3611] WARNING: ntopng has not been compiled with libcap-dev
Aug 31 22:14:29 OPNsense ntopng[51464]: [Utils.cpp:3612] WARNING: Network discovery and other privileged activities will fail

I don't understand, everything seems to be working and yet unable to access the web interface.
The firewall does not block the request on port 3000.
Do I have to create a specific rule?
I am in multi-wan according to this config (https://docs.opnsense.org/manual/how-tos/multiwan.html), I wonder if this is not the problem.

Version opnsense :

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OPNsense 21.7.1-amd64
FreeBSD 12.1-RELEASE-p19-HBSD
OpenSSL 1.1.1k 25 Mar 2021


Thanks for any help

EDIT:

I finally found and had the same problem as in the following question:
https://www.roj.fr/wp-content/uploads/2021/08/exeption.png

I had to make an exception as follows: