May 2018
Intermediate to advanced
326 pages
8h 32m
English
Content preview from Practical Network Scanning
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HTTP versus HTTPS
Hypertext Transfer Protocol (HTTP) is a protocol that allows communications between client and server. Most commonly, it is used for transferring data from a web server to a browser to view web contents. The main problem is that HTTP does not encrypt the data being transmitted and can be snooped by someone else. As the first part of the diagram shows, a web server running on service port 80 and all the content being transferred between client and server are in plain text. In the next section of the diagram, the web service is running on the service port 443 and data is being transferred in encrypted mode:
HTTPS is the secure ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.