Demonstrates how to use raw IP sockets in golang and do a simple TCP SYN port scan
Simple go program that will test if a port is open by sending a TCP SYN packet to it. Demonstrates how to use RAW IP sockets in Go 1.x+.
gorawtcpsyn ip port
gorawtcpsyn 192.168.0.2 5656
Must run as root. This program is purposefully stupid/easy/dumb/simple.
The authors of gopacket (which this example uses), also has a few other examples like an ARP scanner and a SYN scanner in his repository here.
I use your script, but why does ReadFrom time out? I'm sure that the packet has been sent successfully and can be seen with tcpdump
The system of I use is MacOS
error reading packet: read ip4 *.*.*.*: i/o timeout
我在windows下跑. 那个可以发送arp请求. 但是没有arp响应. 所以程序出错会导致死锁.
发送arp的代码.要写到协程上面. 然后只能在局域网内.有效. (访问远程主机还是不行)[好吧.我的锅. 我查了查.才知道.arp只适用于内网. 访问公网不需要]
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