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yes. I run query log until i finish my setup. I'm moving some apps to dmz and need that logs until all is running fine including acccess from wan, lan with a single hostname for apps using authentik provider or having their own auth.
It's not straight forward as i have apps accessed only from lan others from both wan and lan. Some are using authentik others don't.
And i'm still wondering which apps to put in dmz. 

For those following this topic.
On the 8th i was at the airport  going to holidays and was checking if didn't forgot to enable security cams.
I had no connection.
Once again and exactly 1 week after the first connection loss the isp changed my password.
Arrived at my destination and after the week end i could contact them and they could put back the password i had in my config.
But it was almost useless as my router had its disk full. during the loss of connection resolver logged 2Gb a day against around 300M on a normal day.
Once again they didn't believe me when i told them the password has been changed. I had to say it very loud to be heard.
They have open an investigation but no news until now.

i've rebooted in single user mode and could delete resolver log which were around 40Gig large.
after a reboot to normal mode all went back to normal

I'll do that when I come back.

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su - doesn't work either.

Hello,

My opnsense instance is sick.
My disk space (zfs) is full and webui doesn't work anymore (php errors).
I'm away from home. I can ssh into opnsense with regular credentials.
I can't use sudo (php error thrown) so can't do much.
From what i can see /var/log could be full but as i can't sudo, i can't delete anything nor reboot.
Can i do something or should i reinstall it when i come home ?

And thak you very much for your help. it's very appreciated.
I'll ask for closing the issue on github.

I have still unifi plugin to restore and after finally go for 25.7 upgrade.... or leave it to after holidays.

To put an end to this trouble.

A tehcnician finally came to my house.
And guess what the isp changed my credentials without telling me and worse they confirmed me the old one.

As soon as i put the correct one the link came up.

i had a good will technician on the phone (my 10th phone call) and could confirm that i have the right credentials.
The only thing that didn't match is the serial number registered in their crm which afaik isn't used in pppoe/chap.
For the serial they entered my router mac address with a mistake on the last character. It has been changed to match the real address but didn't change anything.
So they were not bullshitting me.
The last possibility i see is a change made by post which is the isp which owns the line and provides the ont.

i'm still waiting for my credentials. They told me they have a failure on their cms and can't send messages or mail to clients.
I deeply regret to have a contract with this provider.
In the end i'll probably go with a fritzbox (i hope they have one with 2,5Gbs lan port)

But i'm still a very angry at this provider. The technician who came to setup the line gave some wrong info (fqdn of voip proxy which doesn't exist).
And today after 9 calls, 1 chat and 2 tickets in their system i still couldn't have my credentials.
I had shitty providers in the past but nothing like that.
The only good thing a very stable 2Gbs/750Mbs connexion but only ipv4. They don't know ipv6.

Small step.
I installed a live openwrt on my router.
I have the same result: chap authentication failure.
I called support once again and i am waiting for my pppoe credentials, password and router mac address registered.
25 min to have them send a message and it's not even here.
I don't know if openwrt and opnsense use the same libraries for pppoe connexion.
But i'm quite certain the isp is bullshitting me. They only want fritzbox on their network.

the result of audit on current 25.1 system:

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***GOT REQUEST TO AUDIT HEALTH***
Currently running OPNsense 25.1 (amd64) at Mon Aug  4 14:30:57 CEST 2025
>>> Root file system: zroot/ROOT/default
>>> Check installed kernel version
Version 25.1 is correct.
>>> Check for missing or altered kernel files
No problems detected.
>>> Check installed base version
Version 25.1 is correct.
>>> Check for missing or altered base files
No problems detected.
>>> Check installed repositories
OPNsense (Priority: 11)
>>> Check installed plugins
No plugins found.
>>> Check locked packages
No locks found.
>>> Check for missing package dependencies
Checking all packages: .......... done
>>> Check for missing or altered package files
Checking all packages: .......... done
>>> Check for core packages consistency
Core package "opnsense" at 25.1 has 69 dependencies to check.
Checking packages: .
beep-1.0_2 has no upstream equivalent
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pftop-0.10_1 has no upstream equivalent
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php83-ctype-8.3.15 has no upstream equivalent
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***DONE***

based on the log:

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FreeBSD 14.3-RELEASE-p1 stable/25.7-n271606-9af17f0102ca SMP amd64
My system isn't the same anymore. I reinstalled it with 25.1 image and still have the authentication problem.
Before upgrading to 25.7 i had 25.1.12 version.
I can post the full log of the upgrade process if necessary.
The previous pcap i posted were from fresh 25.1 with a restored config.
This morning i also tested a live 25.7 with same result.

I've finally been able to check with the support.
My router is not blacklisted and connections parameters have not changed.
That leave me with my router unable to establish a pppoe connection.

This started after the last reboot after 25.7 upgrade.
I tried to reinstall 25.1 from usb: no success
I tried to change the physical interface (keeping the registered mac address): no success.

No matter what i try i always have the same result : chap authentication failure.
I'm not sure of my calculation but i feel like the response from my router to the chap challenge is not right.
I tried to compute it with an online md5 hash generator and i don't obtain the same as my router sends.

If you have any idea that can help me to move on ....
The alternative is to order a fritzbox from isp and put my router in dmz of the fritzbox. And i think that fritzbox don't even have a 2,5Gbs lan port :(

I'm stuck.
No matter what i try i always have a chap authentication failure.
Is there a way to troubleshoot that?
By the way if you are in luxembourg i strongly advise you to avoid tango provider. The support only tells you to reboot and asks about the fritzbox led even if you don't have a fritzbox.