Proto Recv-Q Send-Q Local Address Foreign Address State tcp 0 0 localhost:30037 *:* LISTEN udp 0 0 *:bootpc *:* Active UNIX domain sockets (servers and established) Proto RefCnt Flags Type State ...

Sample output from my CentOS 8 server: net-tools-2.0-0.51.20160912git.el8.x86_64: Basic networking tools Repo : BaseOS Matched from: Filename : /usr/bin/netstat As you can see, the "net-tools" package ...

// available_fields: "tcp_close","tcp_close_wait","tcp_closing","tcp_established","tcp_fin_wait1","tcp_fin_wait2","tcp_last_ack","tcp_listen","tcp_none","tcp_syn_recv ...