August 2018
Beginner
462 pages
12h 36m
English
Content preview from Learning OpenStack Networking - Third Edition
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Implementing security group rules
In the following example, an instance named WEB1 has been created that acts as a web server running Apache on ports 80 and 443. Making a request to the web server at 192.168.206.6:80 eventually times out:
To demonstrate how security group rules are implemented on a compute node, take note of the following WEB_SERVERS security group:
The following screenshot demonstrates two security group rules being added to the WEB_SERVERS security group using the openstack security group rule create command. The rules allow ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.