OPNsense Forum

Archive => 21.7 Legacy Series => Topic started by: BallLoveSri on February 05, 2022, 06:15:37 pm

Title: Firewall block in rule of Ethernet client
Post by: BallLoveSri on February 05, 2022, 06:15:37 pm

Hi,

I am having an issue accessing the web UI.
Thinking I may have done a mistake in my config, I decided to investigate. After some research using the command line (= connecting my Opnsense box to a keyboard, mouse and hdmi screen) I see that a rule (block in on igb1) seems to be preventing my MacBook from getting a proper DHCP IP address. The MAC thus auto-assigns a false 169.xxx IP, which in turns puts me in a different network than the Opnsense box. Reason why I cannot connect to the UI.
I decided to put the Opnsense box back to the factory default setting (I have a copy of my settings in a safe place) to start fresh. I did this in the command line.

Now, I try to connect my MacBook via Ethernet to my Opnsense box (LAN port) and still get the same firewall block when the MacBook is asking for a DHCP address. I am stuck and this is surprising since I had been connecting my box with Ethernet until now and it worked perfectly

Any ideas on how I can solve this ? I have been searching since yesterday early evening. I don’t understand why this fw rule is blocking me, I never saw it as a default rule before !

Thanks for you help.
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Title: Re: Firewall block in rule of Ethernet client
Post by: RamSense on February 05, 2022, 09:52:01 pm

Dear BallLoveSri,

Are your running opnsense 21.7 or on the latest version 22.1?
I have your problem also 2 times now with 22.1 and never had it before. I could not fix the problem other than to reboot my opnsense-box and than it was fixed again. iPhone and MacBook pro were getting an 169.xxx.xxx ip that I do not use anywhere and I use fixed DHCP leases.
I thought it had to do with the updated version 22.1, and waited for others to mention it and the fix, I did not had this with 21.7....