can not telnet to Oracle Linux -- Connection closed by foreign host.
telnet <HOST> 1521
Trying <IP>...
Connected to <HOST>
Escape character is '^]'.
Connection closed by foreign host.
{some info removed by admin}
0
telnet <HOST> 1521
Trying <IP>...
Connected to <HOST>
Escape character is '^]'.
Connection closed by foreign host.
{some info removed by admin}