a question about nessus-update-plugins [3740] plug_set_key:inte

adsl9999

[root@localhost ~]# nessus-update-plugins
[3740] plug_set_key:internal_send(0)['3 /tmp/ConnectTimeout/TCP/443=1;
']: Socket operation on non-socket
Could not open connection to plugins.nessus.org - Socket operation on non-socketCould not retrieve the plugins MD5
Aborting