How to check the network for blocking UDP and TCP traffic?

Question

Computer networks

You need to check if UDP and TCP traffic is blocked from addresses in a certain range.
By what means and how to do it?

Answer 1

The question is too general. If you need to check some range or specific ports, try sending something from/to them, at least using the same telnet. Can help with UDP nc.

Answer 2

nmap to help you.