wget 11.11.255.11:20001
三种返回:
1 ip不通
Connecting to 11.11.255.11:20001...
2 ip通端口不通
Connecting to 11.11.255.11:20001... failed: Connection refused
3 端口通
Connecting to 11.11.255.11:20001... connected
wget 11.11.255.11:20001
三种返回:
1 ip不通
Connecting to 11.11.255.11:20001...
2 ip通端口不通
Connecting to 11.11.255.11:20001... failed: Connection refused
3 端口通
Connecting to 11.11.255.11:20001... connected