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Topics - supercm

#1
25.7, 25.10 Legacy Series / Firewall rule being ignored
November 24, 2025, 07:36:40 PM
Any idea why this wouldnt be working?

__timestamp__   2025-11-24T10:28:48-08:00
ack   1184052709
action    [block]
dst   X.X.X.X

label   Default deny / state violation rule

reason   match

Pass
 Interface   
LAN
 Direction   
in
 TCP/IP Version   
IPv4
 Protocol   
TCP
 Source / Invert    Use this option to invert the sense of the match.
 Source   
Single host or Network
192.168.2.214/32

Source   
Destination / Invert    Use this option to invert the sense of the match.
 Destination   
Any

 Destination port range   
from:
 Destination port range   
from:   to:

any


#2
25.7, 25.10 Legacy Series / Defunct WAN connection
November 18, 2025, 08:43:37 PM
How do I troubleshoot a defunct WAN connection? It looks okay to me but is in a defunct state. The data in the gateway log looks the same as the ones that are not defunct.

Wireless3 Wireless3 IPv4 defunct 9.9.9.9 43.3 ms 8.0 ms 0.0 %
#3
I have a hyper-v vm running opnsense that has been working for years. I rebooted it the other day and notice its stuck on Configuring WAN12 interface. It never gets past this spot. So I removed a nic, let it reset the defaults and added a new nic. Configured everything, rebooted and I get the same thing. How do i get to the bottom as to why this is getting stuck?
#4
I am having trouble with a single device for internet access.

I have 4 devices set up in my Gateway group.

When 1 of the 4 is set as the Tier 1 device, I am able to ping out through the device and the firewall shows that is allowing http(s) requests, but I am unable to browse and get a Hmmmm....cant reach the page error. Browsing works fine if I connect via wireless to this same device.

Any thoughts as nothing seems obvious and I dont know where else to look in logs that would help?
#5
I have several vlans on my network. I am trying to get traffic to traverse from the LAN to a network I have labeled Server. The firewall logs show that the traffic makes it through yet it is not making it through as I cannot reach the resources. I have a rule in the firewall set up to allow all traffic from Lan to Server. I do not have this same problem with a different vlan called Kids. It has the same rule and is able to traverse.

What am I missing?
#6
22.7 Legacy Series / DNS Suffix Issue
November 17, 2022, 08:36:03 PM
Is there a way to get the DHCP server to stop handing out my local DNS Suffix. I do not have it set so I assume its inherited but there is an application that I cannot use on my network because it's appending the local DNS Suffix.
#7
22.1 Legacy Series / Gateway Monitoring
February 08, 2022, 01:24:02 AM
When I have gateway monitoring on, i get random alerts that an interface is down. However, it is not actually down (from what I can tell). What can I investigate to get to the bottom of this?
#8
21.7 Legacy Series / Upnp only working intermittently
January 08, 2022, 05:31:39 PM
We have 3 Xboxes on a dedicated vlan and setup upnp. After setup, everything was rebooted. It was not working and I gave up on the setup. Then after months, I received an alert that one of the devices setup a upnp port. That was last night. Any pointers here as I'm unsure what to do next?
#9
I have several VLANs that are set to deny unknown clients but I am able to connect with clients that are supposed to be available on other VLANs only. Running 21.7.7. Known issue?

Looks like this is by design.
#10
As I am viewing the firewall logs, almost all of the traffic shows that it originates from the WAN interface as opposed to the actual internal interface that it originates from. I think this is causing me other problems (multi-wan doesnt work, cant use UPNP, etc). Did I do something funky that would have caused this? None of my firewall rules seem to be used either as they all default to the "let out anything" rule.

Thanks
#11
21.7 Legacy Series / Help with load balancing
December 16, 2021, 12:27:09 AM
Can someone point me to working instructions to load balance multiple WAN connections? My implementation seems to just randomly choose which connection to use.
#12
Hopefully this is just a newbie error as it doesnt seem like im doing it right.

I set up CARP with my LAN connection (And each of my VLAN connections) as well as my 3 WAN connections.

Everything syncs and the status looks right.

If i remove a connection from one machine, it drops 1 ping and then transitions to the other machine and resumes pinging. The problem is that some of the VIPs are sitting on each node and services dont work so I cant actually do dns lookups for example. I have the checkbox for disable preempt off on both nodes and set up the outbound NAT rules as well. Is there something else that I am missing?
#13
21.7 Legacy Series / Unbound Issues
December 09, 2021, 04:30:33 PM
I have a new installation and am finding that DNS stops working randomly and I could use some advise on where to go to troubleshoot.

Unbound was serving up requests last night and this morning I was seeing DNS errors in a browser. So I went into diagnostics to perform a DNS lookup and it shows failed to 127.0.0.1 but the other external DNS servers (set up in the General section) resolve. A restart of Unbound resolves the issue.

These are the logs (I didnt cut anything out) from the point they last wrote until when I kicked off the restart

2021-12-09T06:21:22   unbound[87125]   [87125:0] info: service stopped (unbound 1.13.2).   
2021-12-08T21:39:19   unbound[87125]   [87125:0] info: generate keytag query _ta-4f66. NULL IN   
2021-12-08T14:39:41   unbound[87125]   [87125:1] info: generate keytag query _ta-4f66. NULL IN   
2021-12-08T14:39:41   unbound[87125]   [87125:0] info: generate keytag query _ta-4f66. NULL IN   
2021-12-08T14:39:41   unbound[87125]   [87125:0] info: start of service (unbound 1.13.2).

While I want to get to the root of the issue and could use pointers to further troubleshoot as I'm stuck, I could also use some pointers on how to detect and automatically remediate in the short term.

Thank you.
#14
I am trying to manage our multiple WAN connections by ordering them in a Gateway group (ordered by Tier). I have a rule set as the first in my firewall (testing of course) to allow anything using that group for its gateway but the selected connection is tier 2 (instead of Tier 1). I opened the Firewall Live logs and filtered by source address of the device and I see no traffic.

What am I doing wrong?

Solved

Deleted the existing rules and recreated and is now working.
#15
21.7 Legacy Series / VLAN creation issue
December 08, 2021, 07:45:01 PM
I have a new installation and DHCP works fine on the LAN interface.

I created a new vlan, assigned it, enabled the interface, assigned an IP, set up a dhcp scope and enabled it. Created a temporary allow all rule in the firewall to test. When I move a device to the new vlan, the DHCP request (in the log) tries to be served by the LAN address.

So I assigned a static address and tried to ping the gateway and cant ping. Where do I look to troubleshoot?

For context, this is a hyper-v vm and I have another firewall as a vm (from another vendor) that I am migrating from with the same settings on the same switch and the same hyper v settings and it works over there, so I can say the switch and the hyperv network are not the issue.

Thank you