本文介绍了socat如何达到测试远程端口的目的的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
如何通过socat测试远程端口是否可以访问?
How to test a remote port is reachable with socat?
使用netcat,我们可以
with netcat we can
nc -zv 192.168.1.15 22
如何用socat做到这一点?
How to do that with socat?
推荐答案
我认为手册页中的第一个示例可以工作
I would imagine that the first example in the man page would work
socat - TCP4:www.domain.org:80
在您的示例中,这将是(并添加2秒的连接超时):
For your example, this would be (and adding 2 second connect timeout):
socat - TCP4:192.168.1.15:22,connect-timeout=2
,响应将是sshd connect标语(如果正在监听)
and the response would be the sshd connect banner (if that is what is listening)
SSH-2.0-OpenSSH_5.3
或
socat[12650] E connecting to AF=2 192.168.189.6:23: Connection timed out
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