After setting up a VirtualBox it can be handy to start using the port
forwarding functionality that VirtualBox offers, however sometimes things might work
against you.
The Virtual Machine that I created is based on Red Hat Enterprise Linux
6, “RHEL 6 Update 6”, but the issues
discussed here will apply to most Linux distributions. Other software installed:
Oracle database 12c, Weblogic 10.3.6 and WebCenter Content version 11 PS7. My
problem was that the port forwarding functionality of VirtualBox did not work
after the initial setup.
It seems easy, just start forwarding the port using the instructions in the GUI or after reading the documentation on the VirtualBox port forwarding facility http://www.virtualbox.org/manual/ch06.html#natforward.
After troubling yourself about it for hours and reading the VitualBox documentation about networking ten times you realize that the Firewall might cause the problem. You can start the firewall configuration from the GUI on the Virtual Machine using the menu options: System --> Administration --> Firewall.
Something else that might be needed is mark the Ethernet interface on
the Virtual Machine as trusted:
In the past I used one or two Virtual Machines that were prepared by
Oracle, and later on investigating these machine I discovered that the firewall
was turned of completely, which is also a way of getting port forwarding to
work.
Is this message in this blog worthwhile mentioning it? We could call it
one of the blogs of silly things, one of the things that can
be easily overlooked. Reading all the stories about port forwarding and the
VirtualBox I found it worthwhile to open a blog for it.
Do you have more of these silly things worthwhile mentioning on the
Virtual Box software?
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