Jenkins CentOS Master, Windows Slave Configuration

Question

I currently have a Jenkins setup with a CentOS 6.8 machine as the Master and a Windows 10 Slave. I have done the necessary steps to prep for the connection from JNLP such as configuring my firewall rules to allow for incoming TCP connections and setting the fixed port for JNLP in Global Security settings.

For some reason, I am still receiving a message notifying me that the connection has timed out and I can not seem to put my finger on why this is.

I have also opened the following ports as suggested by other SO users facing a similar issue:

TCP
33398 - Fixed JNLP port
8080 - Jenkins HTTP port

TCP
135 
139 
445

UDP
137
138

My log informs me that the exception was caused by: java.net.ConnectException: Connection timed out: connect and also notifies me that it failed to connect to my_server:33398

Here is a reference link to an image of what my error is:

https://issues.jenkins-ci.org/browse/JENKINS-18080

Any ideas?

Thanks

Answer 1

Never mind, figured this out.

There was an external virtual firewall blocking access.

Thanks anyway to the 6 people that viewed it.