shaman1307

I found specific (2-lines) tcpdump example with icmp protocol that could be parsed (as I assume) as "168.8" Those lines looks like: 20:04:07.887449 IP (tos 0xc0, ttl 64, id 6849,...

On my Rspi 4 only standard firewall was enabled. As per your instructions

maxnet.net.pl is my Internet provider