nc 通过udp和tcp端口探测测试

Send UDP packet via netcat
echo "Hello from PC" | nc -w1 -u 192.168.0.167 3333
Receive UDP packet via netcat
echo "Hello from PC" | nc -w1 -u 192.168.0.167 3333
UDP client using netcat
nc -u 192.168.0.167 3333
UDP server using netcat
nc -u -l 192.168.0.167 -p 3333
TCP client using netcat
nc 192.168.0.167 3333
TCP server using netcat
nc -l 192.168.0.167 -p 3333
           

转载于:https://my.oschina.net/itfanr/blog/3082530