debug - check port open without telnet - Server Fault

Open port - Wikipedia The above use of the terms "open" and "closed" can sometimes be misleading, though; it blurs the distinction between a given port being reachable (unfiltered) and whether there is an application actually listening on that port. Technically, a given port being "open" (in this context, reachable) is not enough for a communication channel to be [JENKINS-55689] Not able to connect to jenkins master from Thanks i was able to get this working, the issue was the nodeport. TCP traffic is only served on nodeport on openshift/kubernetes platform. Once i got the nodeport opened on the platform and created a tunnel for it to route traffic to the slave agent port on jenkins, i was able to make the connection. Port Checker - Port Forwarding Test - Open Port Checker

Why does my computer say 'your port is not open or not

Mac Streamer shows blank or Port 6783 is not reachable How to Open Splashtop Streamer Why can't I click the Allow button to finish the streamer installation on MacOS 10.13 machines? Why can't I update the streamer on Windows Server 2003?

Nov 15, 2019

Mar 04, 2012 linux - tomcat running ,but 8080 port not responding Dec 18, 2011 networking - Why can't I connect on port 445? - Server Fault There could be a number of things not working but not being able to reach the desired port is a reliable test – KCD Mar 26 '17 at 8:59 Every time I tried to turn this option on it just turned itself off and I don't want to risk losing connectivity so I gave up.