Re: Network tcp/iptables issue with XRDP

[Max Nikulin <manikulin@gmail.com>]

On 24/10/2023 19:04, Henggi wrote:
> - iptables on server are cleared/open (firewalld or other firewall 
> frameworks are not used/installed).

Nowadays nft or iptables is not the only option to drop packets. Another 
one is eBPF used e.g. by systemd.

I have the following link in my notes, but I have not tried the 
suggested tool

https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/9/html/configuring_and_managing_networking/capturing-network-packets_configuring-and-managing-networking

44.1. Using xdpdump to capture network packets including packets dropped 
by XDP programs