Re: strange ip address reported by nftables

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> On 20 Aug 2022, at 08:59, François Patte <francois.patte@xxxxxxxxxxxxxxxxxxxx> wrote:
> 
> Le 2022-08-20 08:56, Barry a écrit :
>>>> On 19 Aug 2022, at 21:33, François Patte <francois.patte@xxxxxxxxxxxxxxxxxxxx> wrote:
>>> Bonjour,
>>> This morning, logwatch reported this in the iptables section:
>>> Logged 99 packets on interface enp3s0
>>> .........
>>> From 10.91.96.218 - 6 packets to udp(54366)
>>> How, this IP address could be logged on my private network (which is 192.168.1.0)?
>> That is where it is FROM where is it TO? Was it to a broadcast address
>> for example?
> 
> TO port 54366
And what address is it TO? Also does the log show what device it came in on?

Barry

> 
> Nothing behind this port...
> 
> The problem is: how an IP from a private network (10....) could reach my machine through the internet?
> 
> 
> -- 
> François Patte
> UFR de mathématiques et informatique
> Laboratoire CNRS MAP5, UMR 8145
> Université Paris Descartes
> 45, rue des Saints Pères
> F-75270 Paris Cedex 06
> Tél. +33 (0)6 7892 5822
> http://www.math-info.univ-paris5.fr/~patte
> 
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