Le 2022-08-20 12:35, Patrick O'Callaghan a écrit :
On Sat, 2022-08-20 at 09:58 +0200, François Patte 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
Nothing behind this port...
The problem is: how an IP from a private network (10....) could reach
my machine through the internet?
Are you sure it came via the Internet? Seems unlikely. Are you running
any virtual machines?
No virtual machine on board.
What happens if you ping that address?
Nothing 100% packets lost
--
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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