Originally Posted by AlexBB
Then the question is: "Is it reversible?" If for some reason I found out the UDP is what the system wants can I get back to UDP or the system will check both protocols by default?
As I said, it just affects that particular running
of the command. It's like running "ls -l" vs. "ls". The next time you run the command, if you want that option you have to specify it again.