nc: connect to 192.168.0.100 port 24 (tcp) failed: Connection refused nc: connect to 192.168.0.100 port 25 (tcp) failed: Connection refused 例3:扫描1到65535的端口范围,只输出打开的端口(去掉-v参数即可) nc -w 1 -z 192.168.0.100 1-65535 Connection to 192.168.0.100 22 port [tcp/ssh] succ...
[root@test ~]# nc -vuz 192.168.209.121 123 Connection to 192.168.209.121 123 port [udp/ntp] succeeded!
"提示信息。如果端口被关闭,则nc将显示"Connection refused"或者"Connection timed out"信息。 3. 文件传输 通过nc可以非常容易地在不同主机之间传输文件。例如,将本地文件test.tar.gz发送到192.168.0.2的8888端口,可以执行以下命令: nc-v-n192.168.0.28888<test.tar.gz 然后,在接收方运行以下命令接收传输的文件: ...
[root@test ~]#nc-vuz 192.168.209.121 123 Connection to 192.168.209.121 123 port [udp/ntp] succeeded! 其他 转载 mb5fed71eeb026e 2020-10-16 18:11:00 3048阅读 2 nc测试udp端口是否放开 ncudp 客户端 UDP 服务端 原创 公博义123 2023-03-20 14:35:40 ...
root@local:~# nc -v -l -p 9999 Listening on [0.0.0.0] (family 0, port 9999) Connection from localhost 52966 received! 测试端输出 root@local:~# nc -v localhost 9999 Connection to localhost 9999 port [tcp/*] succeeded! UDP测试
import socket UDP_IP = "192.168.1.1" UDP_PORT = 5000 sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) sock.settimeout(1) # 设置超时时间 message = b"Hello, UDP Server!" try: sock.sendto(message, (UDP_IP, UDP_PORT)) data, addr = sock.recvfrom(1024) # 接收最多1024字节的...
nc-v-w2192.168.2.34-z21-24 //输出 nc:connectto192.168.2.34port21(tcp)failed:Connectionrefused Connectionto192.168.2.3422port[tcp/ssh]succeeded! nc:connectto192.168.2.34port23(tcp)failed:Connectionrefused nc:connectto192.168.2.34port24(tcp)failed:Connectionrefused ...
Connection to192.168.2.3422port[tcp/ssh]succeeded!nc:connect to192.168.2.34port23(tcp)failed:Connection refusednc:connect to192.168.2.34port24(tcp)failed:Connection refused 文件拷贝 在192.168.2.34上 代码语言:javascript 代码运行次数:0 运行 AI代码解释 ...
nc: connect to 192.168.2.34 port 23 (tcp) failed: Connection refusednc: connect to 192.168.2.34 port 24 (tcp) failed: Connection refused 2.从192.168.2.33拷贝文件到192.168.2.34 在192.168.2.34上: nc -l 1234 > test.txt在192.168.2.33上: nc 192.168.2.34 < test.txt...
1、NetCat的使用NetCat是一个非常简单的Unix工具,可以读、写TCP或UDP网络连接 (network connection)。它被设计成一个可靠的后端(back-end)工具,能被其它 的程序程序或脚本直接地或容易地驱动。同时,它又是一个功能丰富的网络调试和开发工具,因为它可以建立你可能用到的几乎任何类型的连接,以及一些非常有意思的内建...