使用nc命令测试udp
2022/10
11
22:10
windows版本netcat下载：
解压netcat-win32包，或者到https://eternallybored.org/misc/netcat/下载win32版本
nc -vuz 124.16.13.124 4500
124.16.13.124: inverse host lookup failed: h_errno 11004: NO_DATA
(UNKNOWN) [124.156.135.124] 4500 (ipsec-msft) open
nc -vuz 124.16.13.124 4501
124.16.13.124: inverse host lookup failed: h_errno 11004: NO_DATA
(UNKNOWN) [124.156.135.124] 4501 (?) open
// (ipsec-msft) 表示端口已经打开
// (?) 表示端口不通，未打开Linux版本下，直接使用
yum install nc
即可安装，命令与上一致
nc -vuz IP PORT
vpn-udp-port:
500
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