November 2001
Intermediate to advanced
240 pages
6h 27m
English
Content preview from Writing Information Security Policies
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Modems and Other Backdoors
Another way organizations extend access to their networks is through modems. Some organizations maintain modem pools with special servers that secure and maintain connections with these external users. Others install modems on special servers that give access to a minimal set of users. Regardless of the method used, the common denominator is that the administrators manage modem access centrally.
Security professionals see the central management of modems key to managing these transient access devices. This way, they can be monitored and controlled while continuing to offer the service. What they want to avoid are allowing modems to be installed elsewhere on the network. A modem installed on a user’s system that is ...
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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.