Warning (QuFirewall) Notification from your Device

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williamspl
Starting out
Posts: 18
Joined: Sun Dec 08, 2019 7:00 am

Warning (QuFirewall) Notification from your Device

Post by williamspl »

I am still in the learning process with Qnap.

For some time now, I have been getting numerous messages indicating to me that someone is trying to access my Qnap device.

See Message below ...

[Warning][QuFirewall] Notification from your device: WMS-NAS-SC

NAS Name: WMS-NAS-SC
Severity: Warning
Date/Time: 2021/09/21 15:09:02

App Name: QuFirewall
Category: Firewall Events
Message: [QuFirewall] In time of 2021-09-21 15:07:00 ~ 2021-09-21 15:09:01, the denied amount reach the set threshold: 30.

Is there some way for me to identify this attacher and block them?

Thanks in advance for your advice. :)
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dolbyman
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Posts: 35021
Joined: Sat Feb 12, 2011 2:11 am
Location: Vancouver BC , Canada

Re: Warning (QuFirewall) Notification from your Device

Post by dolbyman »

Is your NAS web exposed (ports forwarded)? .. If so stop that immediately
williamspl
Starting out
Posts: 18
Joined: Sun Dec 08, 2019 7:00 am

Re: Warning (QuFirewall) Notification from your Device

Post by williamspl »

My Netgear C7000 router does not show any port
forwarding.
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dolbyman
Guru
Posts: 35021
Joined: Sat Feb 12, 2011 2:11 am
Location: Vancouver BC , Canada

Re: Warning (QuFirewall) Notification from your Device

Post by dolbyman »

is upnp active ?
williamspl
Starting out
Posts: 18
Joined: Sun Dec 08, 2019 7:00 am

Re: Warning (QuFirewall) Notification from your Device

Post by williamspl »

UPNP was turned on so I turned it off.

Not sure how that affect my other devices.

Will let you know if Notifications stop.

IS there any documentation on QNAP security best practices?
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dolbyman
Guru
Posts: 35021
Joined: Sat Feb 12, 2011 2:11 am
Location: Vancouver BC , Canada

Re: Warning (QuFirewall) Notification from your Device

Post by dolbyman »

uPnP enables devices to add their own port forwards ... a horrible security flaw .. (by design)

Without that enabled (or manual port forwards) no direct connection can be established to devices from WAN ..

That should always be disabled (no matter if there is a QNAP or not)
williamspl
Starting out
Posts: 18
Joined: Sun Dec 08, 2019 7:00 am

Re: Warning (QuFirewall) Notification from your Device

Post by williamspl »

After turning off UPNP, I am still getting Warning (QuFirewall) Notification from your Device messages.

Any idea why?
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dolbyman
Guru
Posts: 35021
Joined: Sat Feb 12, 2011 2:11 am
Location: Vancouver BC , Canada

Re: Warning (QuFirewall) Notification from your Device

Post by dolbyman »

what are the exact messages .. screenshots please (alternatively, disable and remove QuFirewall .. it's a nuisance at best ..)
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