On Fri, Sep 8, 2023 at 10:52 PM Max Nikulin <maniku...@gmail.com> wrote:

> On 08/09/2023 04:39, Romain wrote:
> > I can confirm that when this happens, it's the OVH server that fails to
> > send the response to my network.
> >
> > 35 9.862648672 MY_PUBLIC_IP_AT_HOME → 54.38.38.159 ICMP 78 Echo (ping)
> > request  id=0x4b30, seq=33150/32385, ttl=1
> > 36 9.862704895 54.38.38.159 → MY_PUBLIC_IP_AT_HOME  ICMP 106 Destination
> > unreachable (Port unreachable)
>

Your hosting company may have PING flood protection. If you are running a
constant PING from your PC to your server it could be detected as a PING
flood. Are you able to SSH to the server while the PING is failing?



> Some intermediate firewall may have specific rules for ICMP.
>
> It is better to try tcpdump (its capture file may be later loaded to
> wireshark) for HTTP and SSH packets at 54.38.38.159 and 192.168.0.2
> rpi4.home, or if your router allows it, even better at 192.168.0.1
> livebox.home.
>
>
>

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