Psyspy rambo <psyspy2020@xxxxxxxxx> wrote: > I compiled libnetfilter_conntrack nfct-mnl-dump.c. When I run it, it > errors out: "mnl_socket_recvfrom: Invalid argument". I tried libmnl > nfct-dump.c and it fails to run: "mnl_cb_run: Invalid argument". Any > suggestions on what I am doing wrong? I suspect your kernel is built with CONFIG_NF_CT_NETLINK=n nfct-mnl-dump works for me.