Hi, after I found a nice tutorial [1], I started to hack some code [2]. Is it the correct approach to introduce a new kernel module and a new nftables statement? Is there an easy way to attach the secmark to the parent connection, so that all packets of the same connection inherit it? Best regards, Christian Göttsche [1] https://zasdfgbnm.github.io/2017/09/07/Extending-nftables [2] https://github.com/cgzones/secmark