If two lines are cut by a transversal and the alternate exterior angles are congruent, the lines are parallel. Interiors on Same Side Converse. If two lines are cut by a transversal and the interior angles on the same side of the transversal are supplementary, the lines are parallel.
The open port checker is a tool you can use to check your external IP address and detect open ports on your connection. This tool is useful for finding out if your port forwarding is setup correctly or if your server applications are being blocked by a firewall.
As far as I know ping cannot be used to test a port, it just tests if the actual node is live. For this sort of test you should use telnet to verify that the port is open. eg. telnet 192.168.1.1 25 would telnet to the SMTP port.'When all else fails.......read the manual'.ou can't ping a port as ping and TCP operate at different layers. You could however download a port scanner and scan for the port in question-that would seem to achieve the thing you're looking for.