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alienjon
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Joined: 09 Feb 2005
Posts: 1726
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 Posted: Tue Nov 12, 2024 2:50 am Post subject: DMESG flooded with network info. [solved] |
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I recently upgraded to gentoo-sources-6.6.58-r1 and noticed that dmesg is starting to spew a lot of what appears to be network info. Below is an example, though the IN/MAC/DST changes. I'm wondering if it's firewall debug, but can't seem to find what it might be linked to in the kernel itself.
| dmesg: | | [248614.479828] IN=br-5cd6d96fcd08 OUT= PHYSIN=veth2ecb369 MAC=02:42:80:f1:37:24:02:42:ac:14:00:02:08:00 SRC=172.20.0.2 DST=192.168.1.4 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=21394 DF PROTO=TCP SPT=36326 DPT=8552 WINDOW=64240 RES=0x00 SYN URGP=0 |
Anyone recognize what's causing this and/or how to stop/reduce it? Doesn't look needed
Last edited by alienjon on Wed Nov 13, 2024 1:03 am; edited 1 time in total |
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Hu
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Joined: 06 Mar 2007
Posts: 22694
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| Posted: Tue Nov 12, 2024 2:52 am Post subject: |
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| That looks like the result of an iptables rule with a target of LOG. What is the output of iptables-save -c? What do you have that has been loading firewall rules? |
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alienjon
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Joined: 09 Feb 2005
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| Posted: Wed Nov 13, 2024 1:03 am Post subject: |
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Please excuse me while I keep smacking my head. I have a custom script for iptables. I think I had the log put in to help monitor drop packets. I must have accidentally uncommented the line, but for the life of me can't recall doing it. I think this is the culprit in that script:
| Code: | | ${IPTABLES} -A INPUT -j LOG |
I just re-commented the line and reloaded the script. Thanks Hu, I appreciate the catch. |
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