diff --git a/include/haproxy/connection-t.h b/include/haproxy/connection-t.h
index 91048d528..7dd3d15d9 100644
--- a/include/haproxy/connection-t.h
+++ b/include/haproxy/connection-t.h
@@ -381,6 +381,7 @@ struct xprt_ops {
 	int (*unsubscribe)(struct connection *conn, void *xprt_ctx, int event_type, struct wait_event *es); /* Unsubscribe <es> from events */
 	int (*remove_xprt)(struct connection *conn, void *xprt_ctx, void *toremove_ctx, const struct xprt_ops *newops, void *newctx); /* Remove an xprt from the connection, used by temporary xprt such as the handshake one */
 	int (*add_xprt)(struct connection *conn, void *xprt_ctx, void *toadd_ctx, const struct xprt_ops *toadd_ops, void **oldxprt_ctx, const struct xprt_ops **oldxprt_ops); /* Add a new XPRT as the new xprt, and return the old one */
+	void (*show_fd)(struct buffer *, const struct connection *, const void *ctx); /* append some data about xprt for "show fd" */
 };
 
 /* mux_ops describes the mux operations, which are to be performed at the
diff --git a/src/cli.c b/src/cli.c
index b7378019d..060372988 100644
--- a/src/cli.c
+++ b/src/cli.c
@@ -1106,8 +1106,12 @@ static int cli_io_handler_show_fd(struct appctx *appctx)
 				chunk_appendf(&trash, " nomux");
 
 			chunk_appendf(&trash, " xprt=%s", xprt ? xprt->name : "");
-			if (xprt)
-				chunk_appendf(&trash, " xprt_ctx=%p", xprt_ctx);
+			if (xprt) {
+				if (xprt_ctx || xprt->show_fd)
+					chunk_appendf(&trash, " xprt_ctx=%p", xprt_ctx);
+				if (xprt->show_fd)
+					xprt->show_fd(&trash, conn, xprt_ctx);
+			}
 		}
 		else if (fdt.iocb == sock_accept_iocb) {
 			chunk_appendf(&trash, ") l.st=%s fe=%s",