Greetings, 高锋! Please don' top-post. Thank you.
> Two days ago,i wanted to determine whether a udp port of another machine is > open or not, which is deployed on different subnet. > But windows platform does not provide utility that can dose this.So i > downloaded a setup.exe from cygwin,of which version is 2.877(64 bit),and i > had never use this utility before. UDP protocol is inherently stateless. You can't determine remote port state unless it explicitly reported (i.e. answers to the messages sent on that port). -- With best regards, Andrey Repin Thursday, March 30, 2017 19:36:15 Sorry for my terrible english... -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
