nc
AKA netcat
Test TCP / UDP connection
Host A (10.0.0.1) listen on port 8080
# nc [-u] -l <port>
# -u: use UDP
nc -l 8080
Host B connect to Host A port 8080
# nc [-u] <host> <port>
nc 10.0.0.1 8080
nc
AKA netcat
Host A (10.0.0.1) listen on port 8080
# nc [-u] -l <port>
# -u: use UDP
nc -l 8080
Host B connect to Host A port 8080
# nc [-u] <host> <port>
nc 10.0.0.1 8080