Firewall Rule

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greY

Newbie
Posts: 40
Karma: 4

Firewall Rule

« on: February 15, 2021, 10:36:23 pm »

Hi

hope, somebody can help to understand or to fix a FW rule issue between LAN and a VLAN.
I have a screenshot attached, with a blocked packet due to a "default deny rule".
At the same time there is a "Default allow LAN to any rule"

...

Any ideas what's the issue could be? I'm on OPNsense 21.1.1-amd64

thx
greY

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Gauss23

Hero Member
Posts: 766
Karma: 39

Re: Firewall Rule

« Reply #1 on: February 16, 2021, 08:47:41 am »

Out-of-state traffic. tcpflag RA

https://forum.opnsense.org/index.php?topic=4622.0

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„The S in IoT stands for Security!“

greY

Newbie
Posts: 40
Karma: 4

Re: Firewall Rule

« Reply #2 on: February 16, 2021, 09:31:58 am »

makes sense, thank you

setting firewall to "conservative" fixed it

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