参考
https://www.cyberciti.biz/tips/linux-investigate-sockets-network-connections.html
https://www.man7.org/linux/man-pages/man7/packet.7.html
Unix类型的socket
查询Unix 类型的 socket: -x
-a //显示所有
# ss -x -a | grep SOCKET
u_dgr UNCONN 0 0 /var/opt/abb/_SOCKET 21029 * 0
packet,原生socket
/proc/net/packet
这个文件显示了raw socket的一些信息。
packet_seq_show
seq_puts(seq, “sk RefCnt Type Proto Iface R Rmem User Inode\n”);
seq_printf(seq,
“%pK %-6d %-4d %04x %-5d %1d %-6u %-6u %-6lu\n”,
s,
refcount_read(&s->sk_refcnt),
s->sk_type,
ntohs(po->num),
po->ifindex,
po->running,
atomic_read(&s->sk_rmem_alloc),
from_kuid_munged(seq_user_ns(seq), sock_i_uid(s)),
sock_i_ino(s));