Check which ports are open to the outside world. Helps make sure that your firewall rules are working as intended.
One of a set of tools we are providing to everyone as a way of saying thank you for being a part of the community.
The following fragment:
indicates that the elements and data types used in the schema come from the "http://www.w3.org/2001/XM
LSchema" namespace. It also specifies that the elements and data types that come from the "http://www.w3.org/2001/XM LSchema" namespace should be prefixed with xs: